Yes, I have. And I can confidently say that Mac OS X, even today after a decade of evolution and sweeping changes, is clearly a direct descendant of NeXTStep an

Yes, I have. And I can confidently say that Mac OS X, even today after a decade of evolution and sweeping changes, is clearly a direct descendant of NeXTStep and has little in common with System 7. I'll also reiterate what others said -- there is everything wrong with Gates' statement.