X200 convertible wacom enabled laptop. Use as laptop or tablet mode. Industrial design, takes a beating. Upgraded to SSD. Battery is good for a days work, has abgn wifi and bluetooth. Wacom stylus stores in laptop. Loaded with WIN7Pro and office 2010 with Onenote for tablet writing. Has all software you ever need. Replacing with same but newer unit. This is my second x series and i love it. spill proof keyboard and built like a tank.