Radio Shack to offer $50 iPhone discount Dec 4-11?

Radio Shack has announced that it will be offering a $50 discount on all iPhone models beginning tomorrow, December 4, according to a new report. Boy Genius Report claims that the promotion applies to brand new devices, not refurbished units, and that interested parties need only be eligible for a new two-year agreement. Notably, the discount brings the price of the 8GB iPhone 3GS down to $50, while 16GB and 32GB iPhone 4s will cost $150 and $250, respectively. The promotion is said to run through December 11.