So I've narrowed it down to these three motherboards. I will be using an AMD Athlon 64 3800+ (Venice Rev. E6) Socket 939 processor Which is the best, and which should I get?
Go for the Asus A8N-VM CSM
It has built in firewire which might be helpful for your multimedia purposes. It also has a gigbit ethernet. So compared to the other two, this one has the best features. Firewire devices and fast networking