If you haven’t yet, you should definitely check out the first issue of the Wayfinder fanzine (it’s free!) covering the world of Pathfinder. It’s a beautiful 77-page full color professionally produced e-zine. There’s fiction, monsters, spells, humor, traits, prestige classes… All kinds of rules tidbits for 3.5 compatible play and all kinds of resources for those running scenarios or APs in the world of Golarion!
I finally got a chance to read it now that I’ve fixed my computer after a week of pain (pro tip: a normal XP boot disk doesn’t have the drivers required to see a SATA hard drive). I’m very impressed. The art is great too.