Gwence is pretty much spot on with advice here.
If you OC go AMD or go home. Just watch the heat.
Their "Bulldozer" looks mean as hell.
http://www.pcworld.com/article/24176...uch_42ghz.html
That's a hell of a wallop for $245.00.
They put all other processors to shame with OCing too. Can you say 8.429GHz? 'Course the helium would be a little costly.
http://www.pcworld.com/article/23985..._the_dust.html