Windows 8's future lies in touchscreen devices, but Microsoft's army of OEM manufacturers haven't exactly done a great job of building the perfect laptop.There's been some notable efforts; the HP Envy X2 and Surface Pro spring to mind as decent efforts at marrying computing and touch, but for every neat portability trick is a usability nightmare and sticking with the old fashioned clamshell laptop design hasn't led to a happy matrimony.Acer's back with its updated range of touchscreen devices, the king of which is the interesting Acer Aspire R7. It's very much a laptop device â€" at 15.6-inches that should be no surprise â€" but with a nifty design that pushes touchscreen to the fore, without castrating its usefulness with an uncomfortable keyboard or by killing the trackpad.To try a
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