Join Date: May 2004
Location: formerly Gold now Diamond, formerly MSY, now LAX, formerly NW, now DL
Programs: Hyatt Plat, Hilton Gold, SPG Gold, Delta Diamond/1MM
Posts: 4,728
Ask yourself what you want to get...
Miles?
Upgrades?
Lounge Access?
Better seat selection?
Cheap tickets?
Once you know what you want, then you can figure out which program is more likely to match your needs.