http://denver.craigslist.org/pts/586133878.html
Carquip has a set for $1650. So you can probably knock off 25% for what you'd get on Ebay, or more like 40% if you want to offer a nice price to a Pelican...
The last set I actually sold went for $1200. That was about a year ago, working for a shop selling them at full retail.