For firewire, look for "IEEE 1394"
Like I mentioned before, I purchased the asus a7n8x "deluxe" and it has firewire support. I believe only the deluxe version will have the firewire support though.
Here are some detailed specs on it from where I bought the mobo
Also here's where I bought it from:
I believe I paid about $145 for it.
Hope this helps,
God Bless you and 3D