At 4 lb. and 1.1-in. The case is 0.7 in. The basic laptop has a full complement of standard ports and an excellent keyboard and display but no floppy or CD-ROM drive. IBM also offers a couple of approaches for linking the laptop to standard monitors or keyboards for desktop use. Corporate-systems managers will appreciate the fact that most accessories for the widely used ThinkPad 600 model will fit in the 570's bay.
Batteries are an exception.
The design of the 570 overcomes the most serious drawbacks of past slice attempts. To mate them, you set the laptop against a lip at the front of the base, lower it into place, and press firmly. I found I could easily do it with my eyes closed, which was not remotely true of any previous slice that I tried. To separate them, you press a button on the front of the base. When a light goes out, indicating that Windows is ready for undocking, you flick two levers and the laptop lifts off.