Nicknamed Harlequin, the device allows you to type and write on the right (the touchscreen) and read on the left (the original mini 9 display). Thanks to Windows 7's native handwriting and speech recognition, those issues have been solved at the base software level.
The mod isn't quite complete, its non-existent hinge mechanism defining this more as two interacting tablets than a sleek, compact book. But we'll see whose product is done first, the modder's or Microsoft's. [mydellmini via SlashGear]