Ditto on Pelican and Rennlist. I recall some discussion about 915's, but the folks on
http://www.gt40s.com/forum/have been sucking up our 930 boxes at an alarming rate for years. There are some excellent discussions there about that process.
The Rennlist (Racing forum) crowd, starting when it was still PorscheList and before
Porsche bit down on them for the name, was the perfect place to bounce ideas into.
In 1998 there were very few 993 installations, so planning the build was a challenge. That exchange with several really great folks there was helpful.
There were a few people who were loudly skeptical about nearly every topic in that build, but they were in the minority.
Certainly everyone had an opinion.