I have a Sempron 3000+, 1GB RAM, 4 case fans, a 9800 PRO, and 2 80 GB harddrives. I have been using this PSU http://www.newegg.com/Product/Product.asp?Item=N82E16817152019 since it came with my case, however since i have been visiting these forums, I think i should invest in a better one. I was looking at FSP and Sparkle, and was thinking about this one http://www.newegg.com/Product/Product.asp?Item=N82E16817104901. Its pretty cheap, buts only 350 watts. Is that enough for me, or should i bump it up to 400?. I dont overclock or anything. I was looking at OCZ modstreams as well, but they seem a little pricey, are they better than FSP stuff or just more expensive?