Okay so i've had my eyes on some new Gpus.
My budget is 400 Dollars.
EVGA GeForce GTX 770 $360 ($359.99)

Thats a card i've had my eyes on.
My current Gpus are Dual Amd Diamond HD 7770's
-No Card image could be found-
Should i Upgrade? Should i stay The Same? Should i choose something else?
EDIT: also For Curiosity Sake Here are my Current Specs
2x Diamond AMD Radeon 7770s
16GB Corsair DDR3 Ram
Intel I7 3930K
Windows 7 Ultimate
120GB SSD (OS HardDrive)
3TB HDD (Main Hardrive)