Today Samsung announced Galaxy 3 series of tablets will be available in the US on July 7. 7-inch Galaxy 3 tab is priced at $199. It sports 1.2GHz dual-core Marvell processor, 1GB of RAM, 8GB of internal storage , 3 MP rear & 1.3 MP front cameras,  4000 mAh battery 8-inch Galaxy 3 tab features 1.5GHz dual-core ...