Quote from echo33029:
This year I am looking to build a new CPU and will use a case/processor/power supply/etc that will significantly lower noise and heat. The new Penryn processors also look like good candidates to lower CPU temperatures and also give a significant boost to performance.
if there is no heavy data crunching involved-i would go with something simple from AMD. you can build decent machine today for under 200$
http://www.newegg.com/Product/Product.aspx?Item=N82E16819103774
this one should be cold and quiet.
actually consume even less that 65W