Locky,
You'll be struggling to get the desktop looking much chop because the TV is comparatively low res - fine for video, but no good for text. It's effectively an 853x480 interlaced resolution monitor (if it's widescreen - 640x480i if it's not).
I used to have that mobo & I vaguely remember that you can output to both a TV & a monitor, but the monitor connection needs to be a DVI connection & not VGA (becuase the TV out uses the VGA resources). I'm not sure how you set it up - through the Nvidia Control Panel I assume.
Justin