Apple gives six reasons for the surge in Mac sales

Apple gives six reasons for the surge in Mac sales:

http://www.macuser.co.uk/news/230784
> As a result Apple's retail market share in the US is now 17.6%, but
> since Apple does not compete at the cheaper end of the market its
> revenue share is a frankly phenomenal 31.3%.

Wow...that is a huge increase from a few years ago!