BTW Omega comes so far with a copy of DC Pro also and as any freeware they both ask for donation and do not offer tech support other than some simple tips.
Also not knocking Stock or CCC drivers just as I said I am a lazy sort.
Here is also some very good tips from a place I learned alot about vid cards:
http://forums.guru3d.com/showthread....93#post1380693
Entire site is excellent (Guru3D) for learning and a great place to start - they also have a lot of bandwidth and have lots of drivers like DNA for example and many many others including Nvidia help too...