A lot of new motherboard BIOS updates form last week, including changelog's, can be found @ PCTuning.CZ. List contains:

ABIT (6)Albatron (14)AOpen (10)ASUS (14)
Biostar (13)DFI (6)ECS (2)Gigabyte (10)Chaintech (4)Intel (6)Jetway (6)Matsonic (4)MSI (4)PCChips (5)Supermicro (11)TYAN (4)

BIOS Updates for Week 32 @ PCTuning.cz