The faster processor and the improved camera are merely incremental upgrades, but the iPhone 3GS's new hardware augments some highly innovative software. Gaming runs more smoothly on the 3GS, making the iPhone a superior entertainment device. And being able to record video and upload directly to YouTube (finally!) adds a new dimension of fun. Battery life could be better, but the iPhone 3GS solidifies Apple's hegemony in the crowded smartphone landscape. ($200 for 16GB, $300 for 32GB, with two-year AT&T contract)
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