Clearing out some more stuff that has been hanging around for too long.
12 months ago I bought a couple of remotes off ebay to try for an HTPC project and ended up using one of the others. It cost me US$20 plus shipping.
New and unused is:
HP D54000 MediaCentre Remote Control
Image: http://7c04b141459380c00194-e47feb9692053b58e2f7b07efead34c4.r48.cf6.rackcdn.com/af018d6b177934567105715dd03dc85b_RC5.JPG
Lenovo branded USB IR Receiver
Image: http://s947.photobucket.com/user/haodejik/media/Lenovo%20RXX/0001.jpg.html
$10 delivered.