Rumor : Next Apple iPad to feature two cameras

Despite the first version of the iPad having just launched a little over 6 months ago, ideas about what the next iPad may or may not have are already floating about. The most recent rumor to surface with respect to the next generation iPad has the device arriving with two cameras, one 5 mega pixel camera and another, a VGA camera on the front of the device, more than likely for FaceTime calls.
Many have speculated that the next iPad will feature a camera, but two cameras? The evidence of a two-camera iPad has come from an investment firm, which claims OmniVision will be supplying the CMOS image sensors.
The investment firm, Detwiler Fenton & Co., claims that Apple will begin with 2.5 million next generation iPad units when it launches. An odd suggestion given that Apple has already sold over 4 million in the most recent quarter.
That said, it would make sense for Apple to include at least one camera on the next version of the iPad. If they do, it seems more likely that the camera would be of the front-facing variety for FaceTime calls, as opposed to a camera on the back of the device. A camera on the rear of the iPad, while a nice addition for sure, would make for awkward picture-taking, especially if the size of the iPad does not vary to wildly from its present form.
What do you think? Is Apple more likely to include one or two cameras on the next version of the iPad? If you believe only one, do you believe it will be a front-facing camera, or a camera on the backside of the device?
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