I have a grey ross compressor listed on ebay right now with a low buy it now if anybody is looking for one. I would post a link but I am on my phone. Search ross compressor and you'll find it.
http://www.ebay.com/itm/280892257407?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1586.l2649
Good price