In Short

The Galaxy Tab 10.1 is Samsung's follow-up to its 7-inch original model. The name 10.1 comes from it's size of 10.1 inches, which is comparable to the Xoom and iPad. 

It's being shipped with Android 3.0 (Honeycomb), Nvidia's dual-core Tegra 2 processor, 8 MP rear camera, 2 MP front-facing and loads of storage with 16 GB and 32 GB models.