keywords: macintosh mac os windows affordable
text: Mac OS X  #151; Rock Solid  #147;The Macintosh, with its OS X operating system, is rock solid, #148; writes Walt Mossberg for the Wall Street Journal.  #147;It is elegant, and  #151; when you do a feature-by-feature price comparison with Windows competitors  #151; it #146;s surprisingly affordable. #148; Dec 09