Re: should I buy a 680 or another 560ti and wait till 7 series?
I don't think we'll see the 7-series until 2013. According to the Nvidia roadmap, Kepler was slated for 2012 while Maxwell won't be released until some time in 2013.
Core i7 2600 @ 3.7GHz
EVGA GeForce GTX 780 Superclocked 941 MHz
1TB Seagate HDD 7200 RPM 32MB Cache
16X BluRay-RW drive
Dell 30-inch U3014 monitor