Comes with the power supply.

Has some version of linux on there.

This model features headphone, microphone, infrared sensor, smart card slot, wireless switch, security cable slot, audio connectors, PC Card slot, USB connectors, modem connector, DVI and VGA ports. 

There are several scratches on the case, no scratches on the screen. 

Measures approximately 13 1/2" x 9 1/2" x 1".