Porsche Design is jumping into the notebook market with both feet via their US$2500 premium 2-in-1 convertible, the BOOK ONE. The Book One is differentiated by its aggressive design, high price, included Wacom stylus, and the fact that the screen both swivels 360 degrees and detaches.
http://www.notebookcheck.net/Porsche-Design-tries-their-hand-at-a-different-kind-of-convertible-a-notebook.199714.0.html