Believe it or not, the crew at Engadget HQ will be packing up and headed to CES 2011 a fortnight from today, and it looks as if quite a few undercover products from NEC will be making the same trip. The company has just revealed that its single-screen Cloud Communicator tablet will be on display, but moreover, a dual-screen version will be making it awfully tough for the former to get any attention whatsoever. Now, dual-screen devices aren't exactly new, but an Android tablet with a pair of 7-inch LCDs is definitely more
