There are a couple organizations that handle trackday events. Two are
http://redlinetrackevents.com/index.html and
http://speedventures.com/default.aspx
We have Willow Springs, Button Willow, California Speedway, Laguna Seca, Thunderhill, and Sears Point. Of these, Laguna Seca is the best overall location, due to its proximity to Monterey. There are major points to be made having the spouse come along if Monterey is the destination.
I propose we pick a date in 2008 that works for most of us and go from there. The organizations above don't yet have their 2008 schedules out, but it's something to start thinking about. Granted, Laguna Seca isn't cheap, and neither is staying in Monterey, but (and I don't say this often) it's worth it.
I'll add more later, it's late for me, but this is something that could really be fun.
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Midlana book: Build this mid-engine Locost!,
http://midlana.com/stuff/book/Kimini book: Designing mid-engine cars using FWD drivetrains
Both available from
https://www.lulu.com/