For gaming? You're right where you want to be. For encoding? An i7 eats your CPU for breakfast.
I'd give your rig a 13, because the top end of the scale should be reserved for uber rigs.
I'd give your rig a 13, because the top end of the scale should be reserved for uber rigs.











3way sli or xfire is said to be micro-stutter-free so there shouldn't be any hesitation if you have the budget 