Lomography is intriguing to me. There is a site devoted to the analog snapshot cameras made in St. Petersburg, Russia. Check out the photos at lomoshot to get an idea of the kinds of expressive shots you can take with a lomo.
Tuning The World is a beautiful site combining photography and music in a very unique way. Check it out and compose your photographic mosaic and symphony.
Matt Webb's interconnected newsletter pointed to photoSIG, a photo critique and discussion forum. Pretty cool idea. People submit photos and get critiqued by their peers. Is similar to an idea that Jess had for the IA organization site