I would also consider any SC's over a loyalty bonus (e.g., 501-999,1001-1499,1501-1999,2001-2399) in no-mans-land - dead SC's as they now get wiped every year.
I think the really problem will be when they change the number of points per bonus. Even with the wiping of the status credits you can still be better off depending on how many status credits you get. I've done a quick comparison as follows, but with pretty big steps of 50 SC just to give the idea. The last column shows the difference between the new bonus and the old bonus, so a positive number means you're better off with the new bonus system. These numbers also take into account the residual points value of any SC over the 450SC level in the old system. Basically you can see there are bands when you're worse off with the new system. As this is enhanced to reduce the 8000 point bonus I'd expect the bands to change and eventually to be equal or less value than the old LB system.
[TABLE="width: 300"]
[TR]
[TD="class: xl24, width: 75"]Annual SC[/TD]
[TD="class: xl24, width: 75"]New LB[/TD]
[TD="class: xl24, width: 75"]Old LB[/TD]
[TD="class: xl24, width: 75"]Difference[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]500[/TD]
[TD="class: xl24, align: right"]8000[/TD]
[TD="class: xl25, align: right"]5555.6[/TD]
[TD="class: xl25, align: right"]2444.4[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]550[/TD]
[TD="class: xl24, align: right"]8000[/TD]
[TD="class: xl25, align: right"]6111.1[/TD]
[TD="class: xl25, align: right"]1888.9[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]600[/TD]
[TD="class: xl24, align: right"]8000[/TD]
[TD="class: xl25, align: right"]6666.7[/TD]
[TD="class: xl25, align: right"]1333.3[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]650[/TD]
[TD="class: xl24, align: right"]8000[/TD]
[TD="class: xl25, align: right"]7222.2[/TD]
[TD="class: xl25, align: right"]777.8[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]700[/TD]
[TD="class: xl24, align: right"]8000[/TD]
[TD="class: xl25, align: right"]7777.8[/TD]
[TD="class: xl25, align: right"]222.2[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]750[/TD]
[TD="class: xl24, align: right"]8000[/TD]
[TD="class: xl25, align: right"]8333.3[/TD]
[TD="class: xl25, align: right"]-333.3[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]800[/TD]
[TD="class: xl24, align: right"]8000[/TD]
[TD="class: xl25, align: right"]8888.9[/TD]
[TD="class: xl25, align: right"]-888.9[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]850[/TD]
[TD="class: xl24, align: right"]8000[/TD]
[TD="class: xl25, align: right"]9444.4[/TD]
[TD="class: xl25, align: right"]-1444.4[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]900[/TD]
[TD="class: xl24, align: right"]8000[/TD]
[TD="class: xl25, align: right"]10000.0[/TD]
[TD="class: xl25, align: right"]-2000.0[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]950[/TD]
[TD="class: xl24, align: right"]8000[/TD]
[TD="class: xl25, align: right"]10555.6[/TD]
[TD="class: xl25, align: right"]-2555.6[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]1000[/TD]
[TD="class: xl24, align: right"]16000[/TD]
[TD="class: xl25, align: right"]11111.1[/TD]
[TD="class: xl25, align: right"]4888.9[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]1050[/TD]
[TD="class: xl24, align: right"]16000[/TD]
[TD="class: xl25, align: right"]11666.7[/TD]
[TD="class: xl25, align: right"]4333.3[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]1100[/TD]
[TD="class: xl24, align: right"]16000[/TD]
[TD="class: xl25, align: right"]12222.2[/TD]
[TD="class: xl25, align: right"]3777.8[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]1150[/TD]
[TD="class: xl24, align: right"]16000[/TD]
[TD="class: xl25, align: right"]12777.8[/TD]
[TD="class: xl25, align: right"]3222.2[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]1200[/TD]
[TD="class: xl24, align: right"]16000[/TD]
[TD="class: xl25, align: right"]13333.3[/TD]
[TD="class: xl25, align: right"]2666.7[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]1250[/TD]
[TD="class: xl24, align: right"]16000[/TD]
[TD="class: xl25, align: right"]13888.9[/TD]
[TD="class: xl25, align: right"]2111.1[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]1300[/TD]
[TD="class: xl24, align: right"]16000[/TD]
[TD="class: xl25, align: right"]14444.4[/TD]
[TD="class: xl25, align: right"]1555.6[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]1350[/TD]
[TD="class: xl24, align: right"]16000[/TD]
[TD="class: xl25, align: right"]15000.0[/TD]
[TD="class: xl25, align: right"]1000.0[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]1400[/TD]
[TD="class: xl24, align: right"]16000[/TD]
[TD="class: xl25, align: right"]15555.6[/TD]
[TD="class: xl25, align: right"]444.4[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]1450[/TD]
[TD="class: xl24, align: right"]16000[/TD]
[TD="class: xl25, align: right"]16111.1[/TD]
[TD="class: xl25, align: right"]-111.1[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]1500[/TD]
[TD="class: xl24, align: right"]24000[/TD]
[TD="class: xl25, align: right"]16666.7[/TD]
[TD="class: xl25, align: right"]7333.3[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]1550[/TD]
[TD="class: xl24, align: right"]24000[/TD]
[TD="class: xl25, align: right"]17222.2[/TD]
[TD="class: xl25, align: right"]6777.8[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]1600[/TD]
[TD="class: xl24, align: right"]24000[/TD]
[TD="class: xl25, align: right"]17777.8[/TD]
[TD="class: xl25, align: right"]6222.2[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]1650[/TD]
[TD="class: xl24, align: right"]24000[/TD]
[TD="class: xl25, align: right"]18333.3[/TD]
[TD="class: xl25, align: right"]5666.7[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]1700[/TD]
[TD="class: xl24, align: right"]24000[/TD]
[TD="class: xl25, align: right"]18888.9[/TD]
[TD="class: xl25, align: right"]5111.1[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]1750[/TD]
[TD="class: xl24, align: right"]24000[/TD]
[TD="class: xl25, align: right"]19444.4[/TD]
[TD="class: xl25, align: right"]4555.6[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]1800[/TD]
[TD="class: xl24, align: right"]24000[/TD]
[TD="class: xl25, align: right"]20000.0[/TD]
[TD="class: xl25, align: right"]4000.0[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]1850[/TD]
[TD="class: xl24, align: right"]24000[/TD]
[TD="class: xl25, align: right"]20555.6[/TD]
[TD="class: xl25, align: right"]3444.4[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]1900[/TD]
[TD="class: xl24, align: right"]24000[/TD]
[TD="class: xl25, align: right"]21111.1[/TD]
[TD="class: xl25, align: right"]2888.9[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]1950[/TD]
[TD="class: xl24, align: right"]24000[/TD]
[TD="class: xl25, align: right"]21666.7[/TD]
[TD="class: xl25, align: right"]2333.3[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]2000[/TD]
[TD="class: xl24, align: right"]32000[/TD]
[TD="class: xl25, align: right"]22222.2[/TD]
[TD="class: xl25, align: right"]9777.8[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]2050[/TD]
[TD="class: xl24, align: right"]32000[/TD]
[TD="class: xl25, align: right"]22777.8[/TD]
[TD="class: xl25, align: right"]9222.2[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]2100[/TD]
[TD="class: xl24, align: right"]32000[/TD]
[TD="class: xl25, align: right"]23333.3[/TD]
[TD="class: xl25, align: right"]8666.7[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]2150[/TD]
[TD="class: xl24, align: right"]32000[/TD]
[TD="class: xl25, align: right"]23888.9[/TD]
[TD="class: xl25, align: right"]8111.1[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]2200[/TD]
[TD="class: xl24, align: right"]32000[/TD]
[TD="class: xl25, align: right"]24444.4[/TD]
[TD="class: xl25, align: right"]7555.6[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]2250[/TD]
[TD="class: xl24, align: right"]32000[/TD]
[TD="class: xl25, align: right"]25000.0[/TD]
[TD="class: xl25, align: right"]7000.0[/TD]
[/TR]
[TR]
[TD="class: xl24, align: right"]2300[/TD]
[TD="class: xl24, align: right"]32000[/TD]
[TD="class: xl25, align: right"]25555.6[/TD]
[TD="class: xl25, align: right"]6444.4[/TD]
[/TR]
[/TABLE]
edit: I just did a more detail version. Assuming you don't take the 50,000 points at 2400SC we are worse off under the new system when the status credits are <500SC, 730SC to 990SC, 1450SC to 1490SC and >2880SC.