There is not much that I could add to his description.
However, you must also think about potential future problems that could arise from purchasing a Macintosh. If you DO buy a Mac, there is a VERY GOOD chance that you will quickly learn to LIKE the machine, and when that happens, it will only take a few nanoseconds for condescending people here to call you a 'Mac Kool-Aid drinker.'
:-)