I know Windows won the battle for the desktop and that computers are simply tools to do get a job done. Using a Mac just makes doing the job a little more efficient and enjoyable, and it lets me get my work done with far fewer dramas - something I can't say with a straight face about the other alternative(s).
My favourite "trilogy" - Douglas Adams' "Hitchhiker's Guide to the Galaxy" - was written on a Mac.
If you're curious about the DOJ proceedings against Microsoft or concerned about the company's effective hegemony in the industry, you might find this site interesting.