I'm just gonna put out my thoughts on this whole matter:
Macs- Smooth, appealing operating system with very easy access and smooth guestures to seamlessly swap between apps and the such. Very good apps for making presentations and projects. Can almost go thru a work session without clicking a mouse button once. (provided you have a laptop/trackpad). Can't/don't need upgrades for look/preformance.
Microsoft- Gaming computer and it has MS Word and Powerpoint and the such. OS ease of use is ok. Unless you have Windows 7 (maybe Vista, questionable), sleekness and appealing-ness (for those who like that) is meh. Oh and you can semi-expensively upgrade stuff to make it look better.
this is coming from my personal experience and use of both. some fact too. mostly.