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phranque - 11:16 pm on Jan 4, 2012 (gmt 0)
it is possible to measure and track viewport dimensions in google analytics.
it may prove enlightening to your decision.
pageoneresults describes how in the following thread.
http://www.webmasterworld.com/html/4395640.htm [webmasterworld.com]:
How do we track viewport dimensions in GA?
_gaq.push(['_trackEvent', 'Viewport', 'load', $(window).width() + 'x' + $(window).height(), $(window).width()]);
^ Shows up in GA > Audience > Technology > Browser & OS > Screen Resolution