Hi! this might be a little forward for my first post, but i haven't gotten round to introducing myself yet- i will shortly, i promise.
There's relatively simple way around the glass thickness problem, but then again it might defeat your purpose:
Use/find a plasma or TFT screen.
With a TFT screen hooked to a monitor, you can do "powerpoint shutter" instead of DVD shutter, the top layer of the TFT is really thin compared to the CRT glass, you can do endles color balance, exposure, contrast and so on to the image on photoshop and powerpoint...
But then you lose the cool factor of doing it from a "vintage" TV...