There's been another AT&T Gingerbread leak. Check out Jordan's rooted 2.3.6 version with entropy512's kernel. Running real smooth. Everything's seems to be working.
[ROM][2.3.6] UCKJ4 [Rooted, Deodexed, Busybox] - xda-developers
[ROM][2.3.6] UCKJ4 [Rooted, Deodexed, Busybox] - xda-developers