I like vintage gear, and that has gone through the roof as well.
http://www.ebay.com/itm/263008394145?_trksid=p2060353.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT
http://www.ebay.com/itm/Marantz-2600-Super-Receiver-MAGNIFICENT-/161717821997
http://www.ebay.com/itm/263008394145?_trksid=p2060353.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT
http://www.ebay.com/itm/Marantz-2600-Super-Receiver-MAGNIFICENT-/161717821997