I think I'll test out Batman & Robin, and Batman. Buy the first issues and then decide, because I'm kind of iffy on how I like the writers and artists involved on those books. Definitely picking up Gotham City Streets and Detective Comics, and am very interested in Red Robin. The cheesecake art on Gotham City Sirens has turned me right off, even if it is Paul Dini writing.
Then of course, there's the mysterious not-yet-solicited Batgirl series...