just right click ( on main screen ) go to NVIDIA DISPLAY or w/e and go to your main monitor then go to NVIEW DISPLAY SETTINGS and instead of DUELVIEW or w/e u have it set to change it to HORIZONTAL SPAN
I'm not familiar with the ATI stuff. But, you could get on MSN, and for me to try to get on Windows Messenger and send me a remote hlp file. I could tell you where to go.
the catalyst drivers are used within the omega drivers becuase the omega drivers are just cleaner and allow for more options so any feature in the catalyst drivers is also in the omega drivers