Yes, you can take it with you. No, not the wealth you've amassed through various IPO's nor your first Tesla sports car. But there is a possibility of taking your desktop with you, if not to the afterlife, then at least to a Jakarta internet cafe. Armed with only a USB stick, portable apps allow you to gain access to your favorite applications, browser bookmarks, documents and even your e-mail no matter what computer you sit down in front of.
Take a look at some of Wired's suggestions and maybe even add a few of your own.