I like EPoX a lot I am happy with my 8rda+ lots of features (400MHz bus, dual channel memory support, firewire, USB2, onboard NVIDIA audio and ethernet, ATA133) love nforce chipset and it?s a good price. (80 bucks)
TYAN makes good rock solid boards. (I run them on most my servers I build)
I also have had good expericance with SOYO and ASUS.