Cabelas has the 40" with a window on sale, $110 off, ends Monday. The 30" with window is also on sale.
http://www.cabelas.com/product/Camp...=SBC;MMcat104794380;cat104754780;cat104582880
http://www.cabelas.com/product/Camp...=SBC;MMcat104794380;cat104754780;cat104582880