Here is a link to my 2003 Porsche C4S that I have for sale. Would be interested in a trade for an M5 with low mileage and of similar value. I can't get pm's yet but I can be reached at 201-694-7654. I am pretty well known in the Porsche community as well as 6speedonline.com.
Porsche : 911 - eBay (item 140513050404 end time Feb-22-11 19:26:14 PST)