LeapReader's a sort of spiritual successor to the company's Tag line, maintaining the reading tool's pen-like form factor, while adding writing to the equation.

ENGADGET

As he stood there with the pen in his hand, very obviously reading the badge pinned to my lapel, I found myself wanting to shake him out of the little dream he was in.

NEWYORKER: Something Like Happy

Unlike other e-book devices, Samsung's E6 and E101 enables handwriting directly onto the display, allowing users to annotate their reading selections, calendars and to-do lists with a built-in electromagnetic resonance (EMR) stylus pen.

ENGADGET: Samsung announces E6 and E10 e-book readers at CES