ITReviewed posted a review on the Apple iPhone 3G S

The iPhone 3GS is definitely the fastest, most powerful iPhone yet, and many will love the new features including the autofocus camera, video recording, and cut and paste (I still can't believe I'm writing that). Existing iPhone customers will appreciate the speed boost, allowing the handset to render Web pages quicker and launch applications faster. And with the longer battery life you can watch more videos, listen to more music, browse the Internet or keep using your favourite applications longer - around 5 hours on a 3G network or 12 hours (up from 10) using 2G. Admittedly, I hardly noticed a difference in battery life between the new and old model. As a whole, the iPhone 3G S is a great update for all people without an iPhone or with an iPhone 2G. For those with the 3G, the smoothness of the system will definitely make daily tasks much more enjoyable and pleasing, but you'll have to have a good reason to justify the upgrade cost. I didn't get everything I was waiting for, such as a front facing camera for two-way video chats and turn-by-turn GPS directions, but it is clear Apple thought long and hard about altering the handset's winning formula. Most importantly, the iPhone 3G S works beautifully as a phone. It is not as versatile as many other devices (especially those based on Google's open-source Android) and is very garden walled (try uploading video or photos to the iPhone from any device that is not your own registered PC or Mac), but the realism is that the mass-market just doesn't care - they want top-flight design, ease of use, and a huge choice of quality applications. Apple has another winner on its hands, but for most of us the iPhone is still too darn expensive.

Apple iPhone 3G S reviewed