First, let's look at the clamshell model sporting a pair of 5.5-inch displays -- a device first hinted at in a 2010 Sony patent application titled "Electronic Book with Enhanced Features." However, unlike the patent's blocky illustration, we're told that Sony's clamshell -- known as the "S2" internally -- more closely resembles an oval cylinder when closed as depicted in the illustration above. Spec-wise, we're told that it will be very similar in performance to the S1 with a Tegra 2 SoC and WiFi + 3G radio on the inside and front- and rear-facing cameras on the outside. And like the S1 tablet, the S2 will be focused on delivering Qriocity media to the consumer. Sorry, no word on whether the S2 is PlayStation Certified. Obviously, the S2 won't be running stock Honeycomb -- instead, Sony is currently optimizing the Android OS to make the most of those two displays. One source reports having seen Gmail running on a demonstration prototype where the list of messages is displayed on one screen with the body of the selected message displayed on the other. Maps, we're told, will display the map graphic on one display with the detailed turn-by-turn instructions or Streetview displayed on the other. Likewise, the S2 will display a video and picture navigation menu on one half of the clamshell with the selected content blown-up to fill the screen of the other. We're also told that these apps will work in a variety of orientations. Sounds interesting, to say the least. Regrettably, our sources are less than enthusiastic. Click through to find out why.