In our opinion this is "must have" for those who support corporate presentations. When a presenter shows up with a presentation on a laptop with no drives you simply plug it into the USB port and it appears as another drive. Some models require no drivers for Windows 2000, XP, ME, and MAC OS9l.

Links to sites and reviews:
M-Systems - ZDNet Review   -  " ZDNet Editors Choice" - MTI's pick (tied)
JMTek - ZDNet Review
Agate Technologies - ZDNet Review
IBM Memory Key - MTI's pick (tied)