What type of gaming are you thinking about doing? Battlefield 4 and similar games or casual web-based games? Also, what is your maximum budget?
If you can stretch your budget to about $520, then I suggest getting this combo: http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=8564588&csid=_61
AMD FX-8350 Eight-Core CPU
Gigabyte 990FXA-UD3 MB
8GB DDR3 1600 Patriot Viper Xtreme Memory
1TB WD Blue SATA HDD
Cougar Solution Steel Gamer Case w/750W PSU Barebones
It's definitely a gaming rig, check it out.