Electronics.woot! has the Nintendo Game & Watch Super Mario Bros. (HXASRAAAA) for $45 - 20% off with coupon code GAMER20 [Exp 4/28] = $36 with free shipping with Amazon Prime, otherwise $6.

This handheld gaming system includes a full-color 2.36" LCD display, integrated control pad and the original Super Mario Bros. pre-installed. Other pre-installed games include Super Mario Bros.: The Lost Levels, which was originally released as Super Mario Bros. 2 in Japan, and a special Game & Watch: Ball featuring Mario.