Haha, just when I changed all my flights to be in J (were YASAs, upgraded to JASAs (changed)).
Haha, not when its a JASA :P I love getting the 747/737 jet services (not prop Dash8) when booked in J. :D
Also, for me, I kinda need J, cos I'm 6ft9in tall and 180kg haha.
I find the skybeds small...