and Windows 8 Pro products into the mix, and it's obvious the market will get crowded quickly. The  ThinkPad Tablet 2  will sport a 10.1-inch IPS  1,366x768 display, weigh in at about 650 grams (1.4 pounds), have a thickness of 9.8mm (0.39 inches), and include an  HSPA+ broadband option, according to