If you’re still browsing the Internet with Internet Explorer, I can virtually guarantee you that you’ll enjoy your browsing by one Jovian mass by switching to the Firefox browser. It’s fast, has great pop-up protection, and has a million great extensions. Even if you don’t use extensions, it’s a great browser.
Get it here.
If you do use Firefox and you do develop web pages, here’s a blog entry with a ton of great extensions.