I use a Asus M2N SLI MB with my AMD 64 X2 6400. It runs a bit hot, but that may be more from the cpu than from the motherboard.
50-60c with a Thermaltake V1 cooler. Water cooling got it down to 40-50c.
Heres my build;
Asus M2N SLI MB
AMD X2 6400 3.2 Ghz CPU
Gigabyte Water cooling
4 G Ram
150 G WD Raptor 10,000 RPM HD
2- BFG 8800 GTX OC Video Cards
750 Watt PS
FPS in AH 200+
Over kill for AH. Quite noisy but great for other video intensive games. I have used ECS boards in the past and also have not had good results. A good solid MB is insurance. Don't skimp here. I will probally upgrade mine to a 680 or 780 eventually.