In another of my periodic hardware head-to-heads, I pitch a variety of full-screen, full-qwerty hybrid smartphones against each other, ranging from the 3 year old Nokia E90, still supported but hard to find for sale now, through to the N97 mini, the HTC Touch Pro 2 and the spanking new Motorola Milestone. Which devices punch the heaviest when the rubber really hits the road?

"Rafe and I have often pulled out the 'hybrid' form factor as the one offering the best of all worlds. i.e. a screen that occupies most of the plan form factor of the phone, with a qwerty keyboard that does the same, made possible through a sliding, pivoting or folding mechanism. Yes, there's a level of mechanical complexity which might prove unreliable in the long run, but the benefits are huge."

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