I don't know if this has already been mentioned but apparently another model shot of the Enterprise-D, which was still missing in "Encounter at Farpoint", has been found. The shot is seen in "11001001". Here's a comparison between the reconstructed CG version (from the teaser disk) and the original model shot (seen in "11001001":
Screenshots courtesy of trekcore.com.
The warp streaks are at a funny angle in the second one.