Dell Home offers the Dell TP713 Wireless Touchpad for Windows 8, model no. X4YJC, for $39.99. Coupon code "RS9SHJ95R32JLX" drops it to $19.99. (txcesssurplus via eBay sells it for the same price.). With free shipping, that's $10 under our December mention and the lowest total price we've seen. (It's a also a current price low by $24.) Designed specifically for Windows 8, this 7.2-oz. wireless touchpad features an operating range of up to 32 feet, RF USB dongle, and 4-finger touch interactive computing. It requires two AAA batteries.