Techtastic's got an interesting article up about applications you can keep on your USB flash drive. That is, programs that you can keep on your flash drive, & run them from there anytime you want. Very nice for keeping personal preference-type stuff close at hand...

"Basically what he did was optimize Mozilla's Thunderbird and Firefox to be used on a flash drive. Why would you want to do that you may ask? Well imagine if you will that you could use your applications such as your browser on any computer and still have access to your favorites/bookmarks, or your email in the case of Thunderbird."