Now a Comp Sci student has picked up the gauntlet, so to speak, to write a rather spirited and thorough-going rebuttal in defense of Linux. The opposing views of J. Paul Reed can be found at Freshmeat, here.
Which side you'll find more persuasive will likely depend upon what you find more appealing -- the tightly closed
integration and polish of Mac OS X... or the power, flexibility, and wide-open freedom of Linux.µ