I do think the 6500P may be overpriced at $600. I checked "completed listings" on eBay and there are quite a few used ones that did not sell for $650. One new one sold for $870. Here is a link to the completed listings (green means it sold; red means it did not sell):
http://www.ebay.com/sch/i.html?_from...mplete=1&rt=nc