Originally Posted by Julian Brennan

US Buxx is definitely good with Citi (Double Cash Back anyone ;-)
NW Buxx is good, too, but there's a rumor going on that it pays only 1x1% on the DC. Still waiting for my statement to cut to see what happens to the 2nd 1%. The cash advance limit on my DC is $0 but US Buxx and NW Buxx load fine. Can't say anything about other Citi cards though.