Apple just loves to keep punters guessing when it comes to new products on the horizon, and the new iPod nano is no exception.

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However, a head’s up has been given tech sites iLounge and Digg who both seem to have the inside gen on what the new unit will look like. iLounge says the new unit will be taller and thinner than its predecessor, and will employ a 1.5:1 aspect ratio, bringing it into line with the iPhone and iPod proper. It is thought it will also include an accelerometer allowing it to be used in landscape mode so users can watch movies.

However, Digg founder Kevin Rose has gone one step further by finding a pic that is said to be of a prototype that, on face value, backs up some of the specs intimated by iLounge.

Rose says there will be new firmware, as well as a new version of iTunes, plus an update of OS X to support Blu-ray.
Some aspects of the new unit will be similar to the first- and second-generation nanos, with a click wheel that fits neatly with the screen, as opposed to the third-generation model that was slightly squarer in shape.

Both websites seem pretty sure of their info with regard to the new unit, however none can guess the price – something that will be interesting due to the iPhone and iPod both being competitively priced.