There is a massive lego collection for sale on craigslist. No mention of price. Reasonable offers. Only things that are interesting are like haunted house, medieval market, farm stuff. A bunch of small sets. They are mostly broken down into parts.
Um… yeah: http://www.steelcitylug.com/forum/topic/large-ish-collection-for-sale-must-go-all-together/ 😉