The talk of the town at the moment is Apple Tablet, but we shouldn’t forget about its smaller cousin, the iPhone. Its current iteration, iPhone 3GS, was a relatively small evolutionary step compared to the 3G model, and one has to wonder what Apple has in store with the next version.

According to Goldman Sachs’ Robert Chen, it won’t lack new features. “Apple’s going to put a lot of innovation, not just on the hardware, but also on the software of the new iPhone,” he said.

Specifically, this might mean a better camera (which is a very safe bet as far as predictions go), but also a sensitive back case, similar to the touch panel used for the Magic Mouse. A couple of days ago, Motorola introduced the Backflip, an AndroidAndroidAndroid smartphone that can be controlled via a touchpad on the back of the screen; dare we dream of something similar on the iPhoneiPhoneiPhone?

Apple, of course, doesn’t comment on “rumors and speculation.” But according to Chen, the new iPhone will go into production in April and should be available to consumers in June or July — just enough time for the rumor train to go into full speed.

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What’s important now is that Apple maintains their strategy and ensures that it stays ahead of the Google Nexus One. Although, latest reports state, “In the Google phone’s first week, it was outsold by the iPhone by a factor of 80 to 1″, so I don’t think Apple needs to worry too much!