[coreboot] Buying a new mainboard. Which vendors support coreboot?

[Niklas Cholmkvist]

Hi,

I would like a mainboard from a vendor that supports coreboot, but also
has an Intel GMA(3D acceleration) on the same mainboard.(Intel GMA
because of my percieved 'good 3D FLOSS drivers'...though irrelevant to
coreboot)
I've read that AMD is very supportive of coreboot. Do you think it's
possible that there is an AMD mainboard with an Intel GMA(3D
acceleration) on it?