Originally Posted by
c_stanley
There are few in the US but overseas AMEX is dramatically less useful than Visa/MC.
Interesting. I've found it to be just the opposite. I've had more resistance to Amex here in the states. Recent visits to SiN, UK, Spain, AMS, PRG, Peru, Brazil, etc. have found very few places that do not take Amex (and thse usually didn't take any cards). Definitely wider acceptance abroad, IME. Also, Citi CCs charge the highest rate I know (3%) for foreign transactions. By comparison, Starwood Amex is 2%.
Cheers.