Well for starters you forgot the motherboard, which means there's nothing to plug any of those parts into :P
http://pcpartpicker.com/p/nhnpjX
This build is overbudget, but going overbudget will be worth it in this case. If it's going to much over just let me know and I'll edit it.
There's a slight advantage from using dual-channel memory, but in everyday use there's pretty much no noticeable difference :P