Could I put a graphics card in this system?

Kootchy

Honorable
Nov 27, 2012
6
0
10,510
Hey all,
I was wondering if i could put a gfx card in this computer, I was thinking a gtx 660 or 670 when they go down in price next year or could you suggest a decent card to use, because I will be getting it 2013 so most/all cards now I could probably afford.

Thanks :D