Are you planning on transferring the discs that negative1 mentioned or just stick to the SC? Are you planning on doing any colour correction or filtering the image in any way to reduce noise etc?
Any idea how the Philips 7135 card compares with the older PDI cards that were used by other members? Are you going to modify the 7135 card and fit a BNC connector?
This sounds like a very interesting project to keep an eye on. Good luck with it dudes.
Can't wait to see some screen shots.