It took a VERY long time for the large ISVs to switch, and while games aren't big on OS X many people like the fact they can boot into Windows to play them.
If Apple was able to get the performance of their chips up to the level of Intel chips, would they be able to save hundreds per machine? Intel has some very large economies of scale.
If Apple wanted to save hundreds per machine they could do that right now. Intel's marketing campaigns that Apple doesn't take part of (like the 'Intel Inside' stickers) come with large rebates. Apple could use that and not have to go through the huge pain of another architecture switch.
If Apple was able to get the performance of their chips up to the level of Intel chips, would they be able to save hundreds per machine? Intel has some very large economies of scale.
If Apple wanted to save hundreds per machine they could do that right now. Intel's marketing campaigns that Apple doesn't take part of (like the 'Intel Inside' stickers) come with large rebates. Apple could use that and not have to go through the huge pain of another architecture switch.