Ever since we first met Lenovo's ThinkPad X100e at CES we've had it on a virtual pedestal as the perfect solution between a netbook and a larger 13- or 14-inch ULV ultraportable. That's because in addition to carrying the renowned ThinkPad brand, its AMD Neo processor / ATI graphics combo promise more power than the typical Intel Atom N450-powered netbook, and with an 11.6-inch screen the chassis can accommodate a wider keyboard and touchpad. Sounds like the perfect mobile computer, right? Unfortunately, there are two things that hold the $549 X100e from being all we wanted it be. Thought