The only way that can happen is if OS X can be licensed to third-party computer manufacturers.
Most computer users just browse the net or read/write documents and spreadsheets. Why would they want an overpriced Mac for doing that?
That's partly the reason why I once thought that Linux will overtake the market, because of its price. But apparently there are other forces that keep Windows dominating, like familiarity and compatibility with existing apps (your free or shiny OS doesn't mean shit if I can't run my apps on it).
> 'Mac is back' by Paul Graham
I'm pretty sure Paul Graham got disappointing with Apple by now. Read "Apple's mistake".
Why in the world would you substitute a control freak for another (even worse in some cases) control freak?