The main difference between Macs and PC's is that each work differently. They both have different operating systems, short cut keys and applications. They are both personal computers but because of cleaver marketing, people see Macs as being more specialized. Macs cost more than PC because fewer programs work with their OS or operating system. For a more detailed look at the Mac vs. Pc
. debate: http://wiki.answers.com/Q/What_is_the_difference_between_a_Mac_and_a_PC is a good resource.