Yoga 900: retina screen, 16GB memory, core i7, 512GB ssd: $1400.  That&#x27;s pretty darned reasonable!  Definitely tempting.<p>Engadget&#x27;s review says 9 hour battery life, cranky touchpad, and shrunken keyboard.  Argh.  C&#x27;mon Lenovo.<p>Do you have one?