Be warned, most modded BIOS are fairly dangerous to flash and in a lot of cases they will not work properly and can seriously damage your board. In addition, any BIOS considered a BETA is not covered by the warranty and a failed flash will screw you over.
I don't see the point of a unlocked multi unless you have crap RAM which even so you can use dividers. FSB increase is always better for performance and bandwidth than a multi raise.
Intel C2D E6320 / AMD Athlon X2 3800+
Gigabyte 965P DS3 / DFI nF4 Ultra-D
2GB OCZ Gold PC2-6400 / 2GB OCZ Gold PC4000
eVGA 8800GTS 320MB / eVGA 6800GS 256MB
150GB Raptor / 74GB Raptor
2x500GB / 320GB
OCZ GameXStreme 850w / OCZ StealthXStream 600w