i installed beta 8 and so far i'm from Latvia and not have AT&T and connot activate or unlock i'm stuck on beta 8 for one day...

spend all night to find the way how to downgrade new baseband and get back to 1.1.4
finaly i got it

i'm back to 1.1.4 and downgrade baseband 04.05.04_G to 04.04.05_G
it's not so easy for now, but way what i found is wery easy

============================================
About decrypting beta 8 ram disk - its on the way, the method is little bit diferent. But we are hard working on this. We also hawe one click unlock solution for all firmwares including beta 7
For now hard work on beta 8