In terms of pictures (Matt's car look really good in the flesh but the photos didn't come out too well...):
(Hey Matt, time to take some better photos - yes?)
A list of 912 paint codes is available at the 912 registry:
http://www.912registry.org/restore/pcode.htm
The silver code for that year is 6851, I guess. Have you tried books at a good bookstore, if a good one is near you? My 2 cents is that silver is a very attractive colour.
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Cameron Baudinet
1975 911S
[This message has been edited by CamB (edited 09-21-2000).]