I would really appreciate any advice re- choosing betweem American and United's FFP. I'm currently Royalwing with KLM/NWA (top tier) but want to change to either AA or United (primarily for the broader alliances and better benefits than KLM/NW offers, but also cause KLM seems to be relatively expensive these days). Problem is, I've never flown either airline, having been loyal to KLM/NW since I started flying! I'm based in Scotland and fly almost exclusively economy.
United have offered to comp me PremEx status; AA will not comp anything, but can do the Gold/Platinum challenge.
Question is whether it's worth doing the challenge with AA, or should I go with United?
Any help will be MUCH appreciated.