You will have to sign into ebay to view most of these!!
Oh, try looking for private individuals. The could be more desperate.
Black looks awesome when cleaned up, but awfully hard to keep clean. Silver is the easiest color to keep clean.
This guy stole this Boxster(although its high milage and a base)
http://cgi.ebay.com/ebaymotors/2000-PORSCHE-BOXTER-5-SPD-CA-CAR-NO-RESERVE_W0QQitemZ200365893439QQcmdZViewItemQQptZUS _Cars_Trucks?hash=item2ea6bce73f&_trksid=p4506.c0.m245
Here's a good possibility, 2003 blk "s" 35k miles. didn't sell at buy it now of 21k, i would offer him $17k cash and see what he says.
http://cgi.ebay.com/ebaymotors/Porsche-Boxster-S-nonsmoker-low-miles-mint_W0QQitemZ260452086524QQcmdZViewItemQQptZUS_Ca rs_Trucks?hash=item3ca42772fc&_trksid=p4506.c0.m245
This is a dealers box that didn't meet reserve. I'd email him and ask what reserve was and then what the best price is. I'd pay 13 maybe $13.5 max
http://cgi.ebay.com/ebaymotors/00-PORSCHE-BOXSTER-S-TIPTRONIC_W0QQitemZ230359405432QQcmdZViewItemQQptZ US_Cars_Trucks?hash=item35a27d9378&_trksid=p4506.c0.m245
i would work this one. It looks real nice, email and see what lowest price is.
http://cgi.ebay.com/ebaymotors/2004-Porsche-Boxster-Roadster-S-Convertible-34-541miles_W0QQitemZ270428133837QQcmdZViewItemQQptZU S_Cars_Trucks?hash=item3ef6c5d9cd&_trksid=p4506.c0.m245
Remeber new tires=$800-$1300, Stock radio and speakers SUCKS!!. Glass window is priceless(03-on up for glass). 60k service=$1600
Disclaimer: I was in the car biz for 10 years, half as a new car manager.
Good luck and have patience, as time is on your side. Michigan, and California seem to be the most desperate sellers. remember in hard times toys are the first thing sold. Just make sure they have clear title and no liens.