Hi, I want to get the Abit N7 S v2 mobo with a 2500+ XP and OC it. I have a Sparkle 300WATT PSU right now some people have ttold me that i need a really good PSU i looked around and the good ones around 80 bux! i wanted to get a 2nd oppinion if i needed a really powerful 400+watt PSU, or can i get something thats 400+ thats not so expensive or can i just get a 350 and that will be enough?