found older posts but unable to answer them, here's my answers: only way (55" rear projector, dvi connect from nvidia based vid card) is by using the "narrow" video format, if your tv allows it, thus negating any reason we would want to do this in the first place... or using "keystone" in the newer nvidia drivers, and let me tell you this thing sucks don't waste yer time.
I have the exact opposite problem. I have a panasonic pt-ae700u and when i use the pc option it stretches the view to 16:9. I was wondering if there was some way to have my pc project to 4:3.