You should look at a site called
www.aliexpress.com you can purchase these same or better PAR 30, 38 lights for under $30 brand new from the manufacturer in china, the same places other vendors are getting them from and jacking the price 70%...
Just a heads up :-)
http://www.aliexpress.com:80/wholesa...8+lamp&catId=0
Keep note that you will need to search for manufactureres that sell single lamps.