If you told us Acer was coming out with an innovative new take on the Windows 8 convertible, we'd probably laugh in your face. After so many months of evaluating slidable, twistable, bendable and detachable machines, we'd (hopefully) be forgiven for believing we'd seen every possible form factor. The Aspire R7 proves that we were wrong, and we're actually kind of glad. With a 15.6-inch display sitting in a unique, flexible "Ezel" hinge, this device lets you switch bet
