You can find Model 10, 11, 12, 13, 14 and 15 with 2, 3 and 4 inch barrels. Check Shotgun News they always have good prices and check
http://www.summitgunbroker.com/index.html and give them a call and tell them you looking for something like this.
I have a Model 15-4 with a 4 inch barrel I picked up for $220 at Gander Mountain.