The company will be showcasing a new stand-alone device -- the portable Nintendo 3DS. The handheld game is expected to feature glasses-free 3-D, which has hardcore gamers wondering just what 3-D on a small screen will look like.

CNN: Video gaming 'history' to be made this week at E3

This handheld device works with both Macs and PCs, and can serve as a portable USB 1.1 hard drive for either system--though by using the USB connection interface, you can expect a long wait when loading data to the device from your computer.

FORBES: Magazine Article

The handheld device will be called the 3DS, succeeding Nintendo's DS series of portable gaming consoles.

CNN: Nintendo to unveil 3-D gaming console

Sony is planning to launch a new handheld gaming device by the end of this year, which will act as a successor to its PlayStation Portable, the Japanese electronics giant has announced.

FORBES: Morning Tech Wrap: Nokia, Sony, Facebook