Yea, if your just overclocking enthusiast a GTX 560 ti will work good as a Display GPU and overclocks nicely. or a 570/580.
Like they said. it depends on your budget
Best answer selected by rssoni.
the budget range $100 to $200. i want to create/render HD videos, work on solidworks 3d Asssembly, simulate 3d motion. The Dirt3,NFS carbon, games playing, should be able to run FULL HD movies on 1920X1080 ASUS ML238 Monitor.