Sony's Tablet P was an enormous gamble with its clamshell form factor that meant it could easily slide into a jacket pocket. Unfortunately, it suffered from terrible execution: flimsy build quality, lack of software support and the gaming options were bested by the older Xperia Play. But of course, that's just our review -- so what has it been like out there as your daily driver? If you've bought and used one, why not tell Sony what you'd have done different