I purchased the lz-800w here at this place with the buy it now option
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=3006839730&category=14 946.
It says it is brand new. I don't have it yet so I can't say anything about it. Another place is here that I stumbled upon. They have good kenwood nav prices.
http://www.speedsound.com/kenwoodexcelonvideo.html