I found a Leadtek NForce1 motherboard at otv KE. $59CAD. I would guess it lacks diode support (if not I'll return it and say it didn't suit my needs)
//edit: Crap it may not work:
http://www.leadtek.com/motherboard/w...7n415da_1.html
Overtemperature shutdown doesn't sound good at all. I'll call around and find a cheap ECS or something.