PS- thanks to Kronos, the ONLY ONE that had replyed to my help request.
Hmm... Sorry-haven't been around much lately. ;-)
I was having problems with dark shadows and image distortion with my CV64/3d - especially in higher-frequency modes. What I noticed is that I was getting a rather weak signal, compared to a modern graphics card. I went with a short premium quality cable (triple shielded) and it helped picture quality quite a bit. Hopefully your problem can be cured by something this simple!