I just took a look at my traffic reports over at site meter. I have to say I am a bit disappointed that 68% of my readers are using Internet Exploder. Only a meager 13% of you are using Firefox, and the rest are using Netscape.
Internet Exploder is so bloated and ugly. I can't use it without unbearable frustration. With firefox, I haven't gotten popups in a long time. I know, the newest IE has a popup blocker, but that isn't good enough to use IE.
I have tons of extensions loaded on my version of Firefox. I block banner ads with Adblock, have several that manage how my tabs work for tabbed browsing, and I like their download manager. Extensions are awesome on Firefox!
I know you're already aware of Firefox, but I would encourage you to give it a shot. Use it for a week. Get it here.