Upgrade Path

Hey guys

 

I am new to this forum but not new to the tech syndicate youtube page. i am looking to upgrade my setup and add  a third monitor that i still got in its box to a dual monitor setup. my current GPU is a GTX 480 and i was wondering should i get a second GTX 480 at $189.99 new or a GTX 660 Ti 3GB used at $249.97. Acuostics is most certainly not a problem since i will be watercooling the card.

My PC specs are as stated in this video: http://www.youtube.com/watch?v=rbBVreWql_A

Is your PSU 750W+? I would still say get a 660ti, it'll more than likely do better because it's newer and faster.