However, I still use a PC for several things, like accounting.
Quicken and Quickbooks for the Mac simply didn't cut it.
For a PERSONAL computer (photos, movies, music, etc.), and just your regular browsing and email...Macs are great. It will entice you to do more on your computer than you would otherwise.
I've had a lot of Macs and a few were lemons. Apple is very good with the waranties and afterwards you can usually find a third party fix. Simple stuff (like swapping out a hard drive) you can do yourself.
As for running Windows on the Mac, my daughter runs Boot Camp (I set it up for her). You'll need to BUY a copy of Windows, though. Take that into consideration.
If you do buy a Mac, don't keep it for 5 years. Macs have pretty good resale value so after 2 or 3 years you can get a new one and eBay the old one without that much pain.