The Aeolian-Skinners are out of fashion right now, if I recall what he told me in the music course he taught last semester . . . but I let him know anyway. Maybe we can get a deal.
We are in the final stages of installing a new organ. It was about a 5 year project, start to finish. Ours is supposed to be very similar to this one in Houston:
http://www.stmartinsepiscopal.org/schoenstein.htm
These folks seem to deal in used organs:
http://www.organclearinghouse.com/services.php