Is http://www.bhphotovideo.com/bnh/controller/home?O=&sku=897841&gclid=CMD5ssjul8UCFUcdgQoddBYAtA&Q=&is=REG&A=details or http://www.walmart.com/ip/iBUYPOWER-Black-Gamer-Power-WA550B-Desktop-PC-with-AMD-Quad-Core-FX-4300-Processor-8GB-Memory-1TB-Hard-Drive-and-Windows-7-Home-Premium-Monitor-Not/23745948 better? and also can they run TITANFALL, COD 4, COD MW2, COD WAW, COD BO, COUNTER STRIKE, AND LEFT FOR DEAD 2 on atleast medium settings? I'm new to PC's and this website so I need help, thanks.