What if Apple is actually phasing out the pro-level Mac?

As if the 80 or so minutes he spent showing off the iPhone weren’t enough, Steve Jobs concluded his 2007 Macworld Expo keynote in San Francisco with one final bombshell unveiling. It wasn’t a piece of hardware or an OS update, but it was just as significant: As he was summing up Apple’s increasingly diverse product line, Jobs announced a change that signaled a new direction for the company, one perhaps even more telling than the revolutionary mobile phone unveiled moments earl