Monoprice offers the GAEMS G155 Personal Gaming Environment for Xbox One, PlayStation 4, Xbox 360, and PlayStation 3 Slim for $139.99 with free shipping. That's the lowest total price we could find for any platform by $40, although we saw it for $19 less in February. It features a 15.5" LED-backlit display with HDMI input, integrated stereo speakers with two 3.5mm headphone jacks, storage bags for controllers and power supplies, and case with support for the above mentioned consoles.
Need it by Christmas? Upgrade to second day shipping for $30.72 to receive it in time.