A FlyerTalk Posting Legend
Join Date: Sep 2009
Location: Minneapolis: DL DM charter 2.3MM
Programs: A3*Gold, SPG Plat, HyattDiamond, MarriottPP, LHW exAccess, ICI, Raffles Amb, NW PE MM, TWA Gold MM
Posts: 102,617
Don't forget to factor in that Marriott could devalue both MR and SPG points before your RTW trip next year. I'm assuming that you can't yet book the hotels you plan to pay with points, so this risk is lurking in the background if you're hoarding points.