Join Date: Nov 2000
Location: Nashville -Past DL Plat, FO, WN-CP, various hotel programs
Programs: DL-MM, AA, SW w/companion,HiltonDiamond, Hyatt PLat, IHF Plat, Miles and Points Seeker
Posts: 11,405
These things are dirt cheap now.
I would never bother with only 16. Even 32 is small, but it you are not putting much on it, then fine. You could even get two and rotate backups if you want.
There really are not bad choices.