I have a feeling more than a few of you are looking to make the Samsung Galaxy S III your next big upgrade, and I have some good news for those of you on Sprint. First, Amazon Wireless was offering the device for only $179, and now it looks like the RadioShack is following suit, cutting the price on Galaxy S III to $149. The deals are good for existing customers and new ones. Of course, the 2 year contract is required. The time frame of the deal have not been disclosed, however, I would recommend to hurry. Get $50 OFF Today on a new Samsung Galaxy S III for Sprint.