It's funny, most of the things you consider positive aspects I find to be annoying. I hated the home groups, and I really didn't like way things were grouped on the task bar. I hate, hate, HATE Windows Firewall and that's usually the first thing I disable on any system. Free A/V is great and all, when it works but there have only been like 2 viruses in history that affect Macs. Aero Peek was kinda cool. I had a lot of problems with the entire desktop freezing when I opened certain non-Microsoft programs (like Firefox), to the point where you couldn't even kill it with task manager. Their pricing scheme is flat out retarded and I'm not giving a dime to the evil empire. Don't get me wrong, Macs definitely have their flaws as well, but like I said before, I'd use Leopard before I used Windows 7 any day of the week.