If you want to join, sign up here. If you're just a curious lurker, follow @p52info on Twitter and check in on the #p52 hashtag. Oh, and leave lots and lots of nice, pretty comments on my blog.
(You can comment on other people's blogs, too, I guess. If you utterly feel the need to.)
*I admit it, I'm cheating. I'm writing this Dec. 31, 2009 at 9:47 PM. So sue me.