Originally Posted by sdsearch

If you are going to use the card for rental cars and if you're not based in NY state (your user name implies you're on the NJ side of the river), there may be an advantage to the Visa:

http://www.flyertalk.com/forum/credi...-excluded.html

But other than that (if it's just for spend on other stuff until you meet the minimum spend for the bonus and then only for AA purchases after that, for example), it doesn't matter much between Visa and MC.