I was in the market a couple weeks ago, I called Marks but they didn't have what I was looking for, ended up with a quick fish 3 from L&M they had by far the lowest prices on the web including amazon with free ups ground shipping.
http://www.landmsupply.com/department/sporting-goods/ice-fishing/fish-houses Cancelled sunday's trip but will be out with these thing this weekend, I set it up in the living room, very easy to setup, I'm taking a drill for the anchors.