Here are a couple of "local" listings.
1988 Porsche 944 Turbo S - $32000 (Costa Mesa)
http://orangecounty.craigslist.org/ctd/5518988620.html
These were going for about $12-$18K prior to this last year.
1990 Porsche 944 S2 Cabriolet - 12k Original Miles - $27500 (santa barbara)
http://losangeles.craigslist.org/wst/ctd/5529852525.html
These were going for $12k-$15k before this past year.
Yes, prices are going up!