Yes, I have windoze because Loki hasn't ported enough games to Linux yet. Even so, I don't use IE to browse. Currently, I'm using Opera to respond to this thread. IE, for some reason, makes my eyes bleed. Netscape has become progressively worse, but it's still not IE.
I miss the days when Lynx was all one needed

The ad thing isn't so bad, depending on if it's just a banner or if it's an evil popup.
Good luck with your site.
Rayven