Yellowline - you can download windows media player for OS X to watch WMVs. I sometimes have problems, but usually it works fine. I understand not wanting MS software on your computer though.
I don't like Dells. They are fine for people who are on a 2 year upgrade cycle, but it sounds like asphaltgambler keeps his computers longer. The motherboard and power supply in a Dell box are proprietary. When (not if) they break, it'll basically force another updgrade. For most people that means buying another Dell, so they have no incentive to use better stuff. For people like me who stick with a 3-4 year cycle, an Apple is the way to go. Or build your own PC from parts of your choosing - but that takes a little more patience, or a nerdy friend who will do it for you.
BTW, owning a Mac doesn't make you gay! I was really worried at first, but I think the sports car and the beer produces antibodies. I just gotta be careful not accidentally drink wine coolers.