I know of 4 Omega 4x5s in decent shape being sold in the Minneapolis area (2 with cold light heads). The could probably be bought individually for $75-100 each - maybe less. Here's a link: http://minneapolis.craigslist.org/for/250706791.html

If this is the same seller, I looked at them when picking up some other gear. They looked in decent shape.

At the time, he was moving from his studio at 3rd Ave North and Washington.