Is a Silverstone DA-1000w enough power to run 3-way 470's,but not just any 470's>>>>>these bad boys>>>>>http://www.newegg.com/Product/Product.aspx?Item=N82E16814125338. I am not going all out with alot of hardware here besides the three cards. RAM-6 gb about $125. 1 IDE optical drive,1,1tb caviar black hard drive,i-7 950 since the price drop,awesomeness,sound card,not much else I do have a question about RAM.What is the best bang for the buck(mobo is a Asus P6T6 ws Revolution) for 1366??