Silent convertible. The 12.5-inch Yoga 900S is one of the most comfortable Yoga convertibles we've used. There are, however, a couple of key drawbacks to keep in mind.
http://www.notebookcheck.net/Lenovo-Yoga-900S-12ISK-Convertible-Review.167687.0.html
how will the core m7 processor work on this laptop? will the cpu still throttle?
also how do they prevent keyboard presses without the lift and lock while in tablet mode?