It is also the same guy able to speak about his server design decisions and for instance about his new SNB Xeons. So I guess even if he doesn't use PC he remote

It is also the same guy able to speak about his server design decisions and for instance about his new SNB Xeons. So I guess even if he doesn't use PC he remotely connects to non-OSX systems. Moreover, I'm not living in the bay area or new york but even where I am, I see less and less PC around me. Myself, I personally use a PC but it runs OS X.