So what MicroATX IS good for OC?

I have the Antec Aria and i'm getting the 2.8C P4 and a ThermalTake Spark 7+. I'm ready to OC this thing with some case mod for the aria. I was going to get the Giga-Byte GA-8IG1000MK, but i want to make sure there aren't any better boards out there. I saw the Giga-Byte makes one with the ATI 9100 IGP chipset, but does the 865G chipset OC better?

Also, Asus makes 2 boards almost exactly like the Giga-Byte ones i listed before. Anybody have any experience or knowledge on how these compare? Or is there the master of all 478 microATX boards i don't know about?

thanks

Ok let me make a long story short. What socket 478 MicroATX boards are good for overclocking?