I am looking to get into PC gaming but on a low budget of around $400. I found a prebuilt PC http://www.ebay.com/itm/Gaming-PC-Intel-i7-2600-3-8GHz-Sapphire-R9-290-X-16GB-DDR3-240GB-SSD-Z77-/162449662234?rmvSB=true and I just recently found a budget build youtube video https://www.youtube.com/watch?v=dlZoWUW_2yw I'm not sure which one I should go with. What would give me better performance for the money?