samjohnson said:If you want a case that has good cooling I would look at the Antec cases. I don't personally own one but I hear that they are good.
http://www.newegg.com/Product/Product.aspx?Item=N82E16811129021 -- Antec 900 case
You could get something cheaper if you want. I got a $60 case and it works completely fine for me.