Synthetic cutting board (Score 1)

In the "not what it's intended for, therefore it's cheap" category, I often use a synthetic cutting board placed on top of a pillow. The feet grip well to the board and it does not heat up like wood does and provides good ventilation. I place a non-skid mouse pad on one end when I want to use a mouse (or you could glue one on). A bonus feature is when it gets dirty, you can just throw it in the dishwasher.

This is not the one that I use, but just find one that's the size that you need - http://www.amazon.com/Vision-Easy-Grip-Cutting-Board-White/dp/B00013KR72