I've done 5 callbacks...8/31, 9/5, 9/10, 9/11, and 9/13. All V30 or better and 4 of the 5 have relatively small class sizes (~10-20). No responses from any of them. The firm on 8/31 told me they'd get back to me in 2 weeks (9/14). The firms on 9/5 and 9/10 never gave me an expected date. 9/11 told me 3 days. 9/13 told me 5 or 6 days. Anyway, not sure what this all means, but should give you some idea of how long you might have to wait...good OR bad.
Also, whats the deal with rejections? i.e. how long and what method have people received them? I'm starting to stress. Id at least like to know one way or the other by now. Oh well, still have 7 more sweet firms coming up...just need 1 stupid firm to bite!