Bodawg.com http://www.bodawg.com
Stocks rare and out of print videos. Also provides a search service for videos you can't find.
SecondSpin.com http://www.secondspin.com/
Source for buying and selling used CDs, Movies and DVDs. Secure online buying and selling. Complete satisfaction guaranteed.
Secondplay http://www.secondplay.co.uk
UK used and ex-rental videos from action, drama, romance, family and comedy. Information on titles and how to order.