A classic Ebay listing with conflicting and incomplete info, and a very low starting bid.
http://cgi.ebay.com/New-YAMAHA-PSR-9000-...1QQcmdZViewItem

Item described: PSR 9000
Item shown in pics: PSR 9000 Pro
Condition -- new? used?

Might be a good buy for someone buy be on guard. I have already hassled the seller about the listing.