I love firefox, I've used it for years and even paid for a version. You can change the look with themes, Tabbed way before the copycat IE. IE loads slower, open to more viruses, There are other choices available too,
Opera, From Opera Software:
http://www.opera.com/
Opera introduces Speed Dial which vastly improves navigation to your favorite sites. In addition, there's Fraud protection, an anti-phishing detection keeps browsing safe and secure. Other unique features include innovative widgets and a strong pop-up blocker. Tabbed browsing and saved sessions further increase browsing efficiency. You can also add your favorite search engines to the search bar and use beautiful skins to personalize your browser. Version 9.25 includes unspecified updates.
Maxthon,
http://www.maxthon.com/feature.htm This is another nice browser, lots of features. There are more but these are the ones I'd recommend over IE
Just trying to be helpful
I have all 4 (I'm not an internet junky, I'm not, I'm not)