there's a poll at the Houston Chronicle about a list of the editor's top 10 computers of all time. but it also asks for ppl to choose which computer was most important of all time. interestingly, 3 of 10 choices are Apple related. see here and/or vote:
http://www.chron.com/cs/CDA/ssistory.mpl/business/2241419
http://www.chron.com/cs/CDA/ssistory.mpl/business/2241419
But of course we already knew that apple paved the way for how computing is today