so your first(and prob best bet for stock) is http://forum.xda-developers.com/showthread.php?t=1583028 [STOCK ROM] AT&T ICS, de-odexed, zip-aligned, rooted, bloated (For chefs or whoever)
and then since its De-Odexed you can flash http://forum.xda-developers.com/showthread.php?t=1555539 and...