I've used macs and also administered a company with about 30 of them. All mac users doing desktop publishing. Out of all the companies i've administered, i've never had as many issues as I had there. There might not be a registry to muck with, but there are TONS of applications that do not play well with all the others. Along with having to muck with memory allocation.

My explination for how to use "wintel" pc's was not to go downloading every link you find and mucking around with every setting just because it's there. To just use the pc the same way you are FORCED to use a mac, just open a browser and browse. Open a word processor and type.