Sorry, but I have to disagree. I bought my mom an iMac a few years ago, and after a year or so with Safari and its issues, I had had switch to Firefox.
My personal opinion is that Windows sucks and so does Apple. They just suck in a different way.
As far as Safari - what is the deal with not being able to upgrade to the newer version unless you have a certain release of OSX??? I'm sure that Steve and the boys thought it would be a good way to make more money by forcing people to upgrade their OS, but all it did for me is to put Apple on the "Not to buy" list.
Safari For Windows