You wouldn't think a giant like Lenovo would stop at just three (or four) Android tablets now, would you? In fact, a little birdie has informed us that said Chinese company will release a new 10.1-inch tablet by the end of the year, and unsurprisingly, Ice Cream Sandwich along with NVIDIA's Tegra 3 T33 are on the menu. Other features include 2GB of speedy 1,600MHz DDR3 RAM, a standard USB host socket (covered by a not-so-elegant pop-out flap), a back-facing camera of unknown resolution, a "Sp…