Originally Posted by gleff
Check out the
no-fee Amtrak Mastercard.
Not much of a signup bonus, only 500 points, but it's free (good if this isn't going to be your primary card) and Amtrak points convert in 5000 point blocks 1:1 into Continental, United, and Midwest Airlines. Oh, and the points also convert 1:2 into Hilton.
Also, since this card is issued by MBNA, the usual extra 2% rip off foreign currency conversion fee is not applied. This is the only card I use for travel outside the U.S.