Sony Ericsson giveth, and Sony Ericsson taketh away. Just as the Xperia Pureness -- that wildly mainstream device with absolutely universal appeal (and concierge service) -- makes its way to commercial availability, we're hearing that the Xperia X2 will not be finding store shelves for at least another month. Made official way back in September, the Windows Mobile 6.5 QWERTY slider had already used up most of its Q4 release window
