mobiledeviant.com : Nice place to get info, opinions on the PSP and games and more. Excellent forums! I'm a mod here, seamonkey420.

roto/mozy's Wipeout Browser Hack/Guide : A nice guide to hacking Wipeout's browser to allow for wifi internet browsing (advanced)

SonyPlex - Another good online community for the Sony PSP, ran by a buddy of mine from MD

www.hackmypsp.com - PSP Hacks, ISO Search, ISO info, News, Tutorials and More!

PSPHome.com : Nice site with PSP related news and forum board

PSP-Vault.com : Another great site with gamesave icon downloads, forums, articles, and more.

PSPCrazy.com : Another good PSP related site with articles, guides, forums and news.

PSP Video 9 Homepage : Program that lets you convert avi, mpg, and vob files to psp compatible .mp4. Must have !! Also a PSPcaster addin available too.

Engadget PSP Hack roundup guide : Engadget's PSP hack round-up.

Mobile Essentials - Cheap accessories and games for the Sony PSP. Wholesale
prices available.

Net4PSP - Another excellent PSP News/Info site.

PSP Sony UK Buy games, read reviews, join our forum and find cheats all at www.pspsony.co.uk

PSP-411 : Great PSP site for reviews, news, and forums.

DCEMU (PSP Emu/Hack News) - Great place for PSP Homebrew, Emulators, Hacks, and Latest News!

Sony PSP Homepage : Sony's Official PSP page. Info, News, and other PSP related items.