Ok, so i am very new at this (obviously) and i need some help selecting a new power supply. This is the computer im getting: http://us.gateway.com/gw/en/US/content/model/DT.GE3AA.001
and i THINK this is its power supply: http://www.newegg.com/Product/Product.aspx?Item=N82E16817104951
and i want to get: http://www.newegg.com/Product/Product.aspx?Item=17-139-027&SortField=0&SummaryType=0&Pagesize=10&PurchaseMark=&SelectedRating=3&VideoOnlyMark=False&VendorMark=&IsFeedbackTab=true&Keywords=%28keywords%29&Page=1#scrollFullInfo
and i THINK this is its power supply: http://www.newegg.com/Product/Product.aspx?Item=N82E16817104951
and i want to get: http://www.newegg.com/Product/Product.aspx?Item=17-139-027&SortField=0&SummaryType=0&Pagesize=10&PurchaseMark=&SelectedRating=3&VideoOnlyMark=False&VendorMark=&IsFeedbackTab=true&Keywords=%28keywords%29&Page=1#scrollFullInfo