Originally Posted by jamar

Also, for Americans planning to come here, Discover is dropping its forex fee back to zero in November, so I'd definitely recommend using it if possible. Zero risk of DCC And increased acceptance since it processes as UnionPay here in China (in other words, if the merchant says "we don't take foreign cards", make them try- I've made people double-take when my Discover processes just fine).

(perhaps this should be put at the top)