Well the problem is not solved yet but I do have a possible answer
Following much fairly unproductive correspondence with Cyberlink I decided to test the same PC on a Benq G2220HD screen. This uses a normal single DVI cable unlike the Samsung 2233 monitor which uses the special dual input cable designed for 3D running at 120HZ
Blu-Ray worked perfectly so, I strogly suspect Cyberlink Power DVD 10 Ultra is NOT yet Blu-Ray compatible with the Samsung 2233 3D ready monitor. I have asked Cyberlink to consider a patch to allow Blu-Ray to work but my gut feel is they will leave the problem alone until the Mark2 3D software is released later this year. This may or may not solve the problem. If anyone has 10 Ultra working with a Samsung 2233 3D monitor I would be grateful to learn how this was achieved!