You don't need 2 680's, and you won't need that big of a SSD HD.
And the power supply, and that cpu. In all honestly, even the i5 does a good job @ gaming. Unless you're doing some CPU-tortures, you won't even need the i7.
(and since you won't need 2 680's and the i7, you can tone down the psu a bit down, saving a bit of moolah.)
just my $0.02