will core i5 2500k will serve for more years ..because today more games and applications are using quad cores more easily..should i go for amd fx 8150..and what about psu,cpu cooler and graphic card..i will use only single card so suggest me a mobo acoording to that pls..Gigabyte GA-Z68XP-UD3 or the Asus P8Z68-V are quad sli compatible .. i will not use more than one pci slot really.