BetaNews writes, Two weeks from today, Google's first 10.1-inch tablet, manufactured by Samsung, goes on sale from the Play store. If the search and information giant is smart, pre-orders will start sooner, sure to generate buzz even as Apple seeks some when iPad mini arrives November 2. The question I have to ask: Will you buy? That's no easy answer for competitive shoppers. Thanks to Windows RT, there's no shortage of tablets to choose from this holiday season. Nexus 10 is compelling nonetheless. Screen resolution is highest -- 2560 by 1600 -- available on a tablet, and that's more than iPad 4. Price is...