Wow. When one buys a flash drive, one expects a place to store files. But this flash drive; however, and be proven wrong. This flash drive does more than the basics. It comes with the U3 Utility, which is a VERY powerful utility indeed. The U3 Utility is built into the flash drive so it runs when plugged it. This utility allows you to run programs that come pre-installed on the flash drive on the computer you are using without installing them (sweet, eh?). Also, you can download your programs using the U3 utility and they will be installed to use on the drive as well. And we aren't talking about crap either, quality programs such as Mozilla Firefox and Skype are some of your choices (skype comes automatically depending on the drive you buy). The drive I personally bought is the half gig one (see above), and the deal I got at Radioshack was pretty good: $9 (I had a gift certificate too, so W00T!). Also, the U3 Utility comes with other options and a security feature that allows one to put a password on the U3 device!*EDIT*
Pre-installed programs that run off the drive? SWEET!
Excellent security utility and options
Cons: Limited to the programs available from U3
I should have sprung for the 1G or 2G drive
Doesn't work on linux
THE VERDICT: 9 out of 10 = BUY THIS DRIVE!!!
*depends on where you buy it
Think twice before buying. Especially when intended for Linux usage. U3 is fully *unsupported* under Linux. But the main point is the problems I have using this disk (4Gb model) under Linux (tested kernels 2.6.18 and 2.6.22, Debian). It stucks on copiyng large (~ 600 Mb) files and message log(seen via dmesg) is being filled with error messages...