Lenovo K1 Ideapad 130422U 10.1" Tablet with Dual-Core CPU for $279.99.  Here is a screenshot for your reference.  It features a NVIDIA Tegra 2 T20 dual-core processor, Google Android 3.1 OS, 10.1" displayl, 1GB memory, 32GB storage, Wi-Fi connectivity, front and back cameras, and more.  Most places have it for about $318.