This is interesting from another perspective. Some pundits have argued that Amazon is, in the long run, Apple's biggest potential competitor in the iPad space b

This is interesting from another perspective. Some pundits have argued that Amazon is, in the long run, Apple's biggest potential competitor in the iPad space because it owns the whole foodchain. But it doesn't have a retail presence. Not only does B&N have a retail presence (and a great customer experience) but it owns a big part of the foodchain too. If Amazon loses its sales tax edge or B&N can end-run its sales tax disadvantage...