TweakTown | AsusPro BU400 ultrabook for the business crowd Liliputing I assume there will also be solid state storage options — at the very least, Asus will have to offer an SSD cache disk if the company wants to call the BU400 an ultrabook. Asus equipped the BU400 with a touchscreen display to support Windows 8 ... ASUS unveil their 15-inch Ultrabook, Zenbook U500VZ Asus Breaks Out Zenbook U500 15-inch Ultrabook and Zenbook Prime UX21A ... IFA 2012: Asus Unveils Zenbook U500 Ultrabook |