<a href="http://www.exploitstation.com/">Exploit Station</a> is your source for the PS2 Independence Exploit.
@C3PX - Yep, I use PGen and SNES Station. Only had minor errors with most games. I have a thick PS2, so I can boot the exploit using an exploited memory card and a PS1 disc. I load games through a flash drive. I haven't tried using the exploit for backups, though you are supposed to be able to use it for that. Even before I loaded the exploit, though, I was able to get some DVD-R burnt movies to play correctly. Few and far between though.