this AI short Nexus 7 review is ... too short. it omits one really important fact and misses the most important "big picture."
the important missing fact is the Nexus 7 is wifi only. that of course is a very significant practical limitation on everyday use. especially since its smaller size makes it so portable. sure, Google will likely come out with a cellular model for, say, $275, but hasn't yet. wouldn't surprise me if they announce it in a week or two, ahead of the iPad Mini launch - there will certainly be a 3G Mini.
the missing big picture is the ecosystem. Google's strongest feature is its very extensive ecosystem, which is very very convenient for consumers who are totally set up with it. i would think that is the best reason to buy any Android device. ecosystems are far more important than isolated apps - the app supply issue, which isn't really that important.
the Google and Apple ecosystems are the two widest-reaching certainly. the don't match up completely, but certainly overlap predominantly. the big advantage of Apple's is its consistency enables all third party software to integrate with it smoothly, making it very easy for non-techie consumers to use increasingly sophisticated apps. whereas Android's fragmentation has resulted in pervasive inconsistencies among third party software and a general lowest-common-denominator dumbing-down - the app quality issue, which really is very important.