Samsung’s Galaxy Tab 2 10.1 announced last month and is now up for pre-order at several retailers online for $399. The Tab 2 features a snappy dual-core processor, Android 4.0 with Samsung’s custom TouchWiz UI, and a few other upgrades over the original Tab. You can pre-order this device at online retailers like Office Depot, and you can grab it in stores May 13. Who’s buying?