Such a broad question.-Asus, MSI, Intel, Gigabyte,AOpen -they all have good solutions at this point, Depend on use, and $$, MSI is best value right now, from Onvia approx $109.--Check reviews on this site, and GamersDepot.
The BIOS on most 815 boards have matured -and you should be succesful with your choice.
Good Luck, do your research, and most of all enjoy.