The OP wrote: "Nevertheless, the sales will prove a potential barrier to Apple's own quest for a greater piece of the market."
What?! or What!? (I still wish that Time magazine had been able to make the interbang popular.)
Vista sales have no relevance to Mac OS X sales.
You can't avoid Vista if you are buying a new computer. (Yes, I know that you can still get XP installed, but you have to work at it if you are a consumer standing in the store.)
Apple is 3% (at...