Porno Graffitti sites are few and far between on the web in my experience, even more so English language ones, here are the few sites I've found, English or otherwise! If you have a PG site or know of any that should be in this section drop me an e-mail.

www.pornograffitti.jp :: The official Porno Graffitti Website (Japanese)

www.sonymusic.co.jp :: Sony Music's Porno Graffitti site (Japanese) this one has more stuff than the English version.

http://pgsonority.hk.st :: A good Japanese fan site for the band. (Japanese, of course!)

http://j.mazoff.net/ :: A Porno Graffitti Fan Listing, go sign up! (English)

http://j.mazoff.net/okano: : An Akihito Okano Fanlisting (English)

www.network54.com/Forum/263236 :: A PG forum, seems pretty quiet tho (English)

www.livejournal.com/community/musichour :: A LiveJournal for PG, again pretty quiet (English)

www.pornograffitti.net :: An active PG site with lots of content (Japanese)