There are others like it,
but this one is from one of our favorite vendors
has released an ExpressCard/34 reader
for SD, Memory Stick/MSP, MultiMediaCard, xD, and also (assuming you haven't lost your card adapter) Memory Stick Duo/Micro, miniSD, microSD, and the other MMC flavors. Naturally tangy and faster than your average USB bear; pick one up for your favorite MacBook Pro
-toting photographer. $30 direct from the big G.