I'm planning on buying a new cpu cooler since my cpu is running hot and I was about to buy this http://www.newegg.ca/Product/Product.aspx?Item=N82E16835181030&_ga=1.228753694.306587643.1425325478 but I wazs wondering if I needed to put therma paste on it .So basically my question is Do you need therma paster on cpu cooler?