Ahh - So dumb question, but I have 156365 AMEX points in the UK, to move them to Marriott in the UK would yield 234,547 Marriot Points (2-3).
Think its worth XFering them to my Amex Plat in Auz, and then getting the 30% bonus to Marriot? I think I worked it out at
156365 * 1.85(currency...