One of these motherboards are quite solid:
http://www.amazon.co.uk/M5A97-EVO-R2.../dp/B008RPZ5H8
http://www.amazon.co.uk/gp/offer-lis...&condition=new
They are more overclocking orientated motherboards but my mate with an earlier version of the EVO was running one with a Phenom II X6 for months unde heavy load running bioinformatics stuff fine.
You will need a discrete card with the AMD setups though.