I have one primary $25K and one secondary $25K for sale. Currently listed on eBay, but available at a slight discount to Chip Board members if you contact me directly via email. Primary $65 shipped. Secondary $60 shipped. More pictures and info on eBay:

http://www.ebay.com/itm/232114253690?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649

http://www.ebay.com/itm/232114258032?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649