Get another 770 and use them in SLI, otherwise you won't runt it, and as
medeiros deathmask stated, you'll also need more RAM.
More ![>](img/i_plus.png)
Seriously. Are you showing off or what? i7, 770, 16gb. I hate people like you, that are trying to be "supa dupa cool".
Edit: On the other hand, don't mind that "more" content. If they fuck it up just like GTA IV, you actually might need to upgrade.