Sony Xperia Tablet leaked from internal slides: Surface-style keyboard and tentative

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http://www.blogcdn.com/www.engadget.com/media/2012/07/sonyxperia-1343735043.jpg (http://www.engadget.com/2012/07/31/sony-xperia-tablet-leak-rumor/)Sony's next-generation tablet appears to have leaked on internal slides spotted by German news site,Mobiflip. In short, it's thinner and lighter than the Tablet S (http://www.engadget.com/2011/08/31/sony-tablet-s-preview/), while internal specifications also trump it, including a Tegra 3 (http://www.engadget.com/tag/tegra+3/) quad-core processor, Android 4.0 ("or later"), 3G connectivity and three storage options; 16, 32 and 64GB. The whole tablet follows the same folded magazine design (http://www.engadget.com/2011/02/21/exclusive-sony-s2-dual-screen-android-clamshell-and-9-4-inch/) of Sony's existing tablet, is splashproof and houses a 6,000mAh battery that the slides suggest will manage 10 hours of WiFi-based web browsing. There's even some tentative pricing, with the different-sized models marked up at $450, $550 and $650, respectively. The pictures also cover Sony's plans to add a lightweight keyboard to its next tablet, similar to Microsoft's Surface (http://www.engadget.com/2012/06/18/microsoft-one-ups-other-tablet-smart-covers-with-surfaces-key/) plans, but with some Smart Cover (http://www.engadget.com/2011/03/02/ipad-2-gets-a-smart-cover/)-esque kickstand skills thrown in for good measure. We've added a shot of the keyboard cover after the break, but you can take a tour of the rest of the slides -- which include a raft of accessories and docks -- at the source link below.
Update: We've been in touch with a Sony spokesperson, who had "no comment at this stage." We may have to wait until next month, when European trade show IFA (http://www.engadget.com/tag/ifa) kicks off -- with Sony in attendance -- until we hear anything more concrete.
http://www.engadget.com/2012/07/31/sony-xperia-tablet-leak-rumor/