just happened to see your post .. re search for a neighbour seeking a clean cab with 5 spd.
no affiliation, was cking their inventory lists (for a lotus) & this popped up....
http://www.weissach.com/auto-details.asp?autoID=1013
price above your threshold but with 50,000 miles and the car looks cherry. dealer is expensive but has 1st class rep (they are a designated RUF shop) and owner is a 911 early series p-car nut.
cheers, gerry