I really dont think that S4 offers anything special over S3. 90% of the feature enhancements can be achieved with apps from store if not better. More over, from S3 and now S4, I hate the soap-case like design. Seems they dont really have interest in hardware design. Earlier it was easy because of Apple copies. But after losing the patent violation case, they might have run out of ideas to deliver a hardware design which just not up to the mark of Xperia Z or HTC one. I have tested Xperia Z hands on. Its a stellar device, highly recommended.