Ever wanted to carry your whole desktop in your pocket?

Now you can with PortableApps.
Also?  PC Magazine has some ideas about carrying your PC in your pocket.

I'm not entirely sure I'd rely on a flash drive to carry my life on it, though.  I've had too many flaky problems with flash drives and no warning when they fail, either.  Still, as a backup or a temporary, traveling desktop, it might not be such a bad thing to have.  In any case, it's something to think about.

Oh, and these particular articles focus on Windows, just so you know.