Radio Shack retail stores are offering the new Apple iPhone 4S 16GB Smartphone on AT&T, Verizon, or Sprint for $169.99 (199 – 29.01 instant savings), 32GB for $269.99 (299 – 29.01 instant savings), and 64GB for $369.99 (399 – 29.01 instant savings) with two year service agreement for a limited time. [Store locator]

The new iPhone 4S is powered by Apple’s A5 dual-core processor (same one in the iPad 2) and features an all new 8-megapixel camera which is capable of recording 1080p HD video at 30 fps with image stabilization. It’s also the first phone to intelligently switch between two antennas, so call quality is better and it doubles the maximum HSDPA data speeds to 14.4 Mbps. It’s a world phone, so you can use on GSM or CDMA. It runs the new iOS 5 with iCloud effortless, and seamless backing up and managing your data wirelessly. It also features AirPlay Mirroring, Siri voice-activated intelligent assistant that helps you get things done, and much more.

Radio Shack retail stores also has the Apple iPhone 4 8GB Smartphone on AT&T, Verizon, or Sprint for $69.99 (99 – 29.01 instant savings) with two year service agreement for a limited time.

Best Buy has the Apple iPhone 4 16GB Smartphone for AT&T in black or white and Verizon in black or white for $99.99 with two year service agreement for a limited time. That’s 8GB of more storage than the average iPhone 4 that is being offered at most retailers.