I'm a Mac girl. Not many of us, are there?
OS X + Safari & Camino (Firefox variant) on my big iMac beast.
I also own a laptop that's a PC (so I can work from home) where I use XP + Firefox. If I'd known they were going to come up with dual boot MacBooks, I would never have bought this piece of .... this laptop really sucks, but then, it's not solely because it runs on Windows.