It won't be long until the first iPad challenger takes its place in the market. Take, for example, the Microsoft Courier ($TBA) due later this year. Featuring a dual 5x7-inch, side-by-side touchscreen, the Courier is designed for to be extremely portable and employs a variation of Windows Mobile 7 and NVIDIA Tegra 2 graphics processor. First round of known features include hand recognition for jotting notes on journals, built-in camera, cloud storage and a headphone jack for media playback. [source]