so i just turned 16 just got my first job starting next week. so i figured well since now i have a job im going to save up for a massive gaming desktop of my dreams! here is the link to what i want to save up for http://pcpartpicker.com/p/HXuR but my only question is should i get 690 in sli or one 690 or 680 in sli? ill be playing alot of games like bf3,cod,smite,crysis,planetside,etc. so if anybody has a answer please leave a comment! thanks and have a good day.