Okay, I am looking to buy a Dell Optiplex because they are cheap on eBay and they are easy to find. It has an i5-750 at 2.67 GHz, 4gb of ram (I am going to upgrade to 8 or 16gb), a Radeon HD 3450 and a 305w power supply ( I think). I am going to be using this computer for a BUDGET gaming...