Here's a site with some information about using the imagemate usb
card reader in Linux. Don't know how current this information is but
I've tried it and it works for me. I don't know how it will do with
Sony's memory stick though.
http://www.germane-software.com/~ser/R_n_R/ImageMate.html
Aloooooo Wayne ooooha for now,
It's mochi pounding time
iw at ukulele.com