I browse the craiglist stuff once in a while using searchtempest.com

here's some that may be "good deals"

41c repowered with 300hp deere http://longisland.craigslist.org/boa/5693560975.html

28' with twin yanmar repower: http://southjersey.craigslist.org/boa/5730660117.html

32' for 10k http://wilmington.craigslist.org/boa/5682264002.html

46' but not a lot of pics: http://houston.craigslist.org/boa/5743370292.html

36' with gas https://newhaven.craigslist.org/boa/5677872596.html