Originally Posted by tmiw

This question may be better suited here:

http://www.flyertalk.com/forum/credi...all-cards.html

FWIW, there was a 0.3% spread for my CSR once the transaction in question posted compared to xe.com's rates. The jury's still out on the charge I put on my Diners Club MC the other day but the pending transaction was basically spot on rate-wise. No idea yet about AmEx.