I bought mine from Sams Club for $299 a long time ago. Here is the listing for it being out of stock for $278
http://www.samsclub.com/sams/electric-smoker/prod7080346.ip
Make sure it's the one pictured and not the second generation with the exhaust vent on the side and the readout on the front (instead of the top). Not sure why but people don't like them as much as the first gen.
When you plug it in, before you heat it up make sure the Temp of the internal thermometer matches the temp of the probe. It should come with 4 racks, water pan and a Remote (plus the drip pan wood loader and ash pan.