Toshiba shared one of their prototype Libretto W100 dualscreen laptops with Engadget and their resident portable reviewer Joanna Stern had a go at it. The Japanese tech company is planning to release the device next month through retailers including Amazon. Some of the highlights are the tandem operation of the two screens that maximizes the device despite being on top of a Windows 7 OS. You can configure it into many modes including a laptop mode that puts the keyboard on one screen, and a mode that splits the keyboard onto the bottom half of the two screens. There’s even a touchpad mode to help out if you need to. It does need a bit of work on the heat dissipation and the responsiveness of the accelerometer. Read the rest of this entry »