Honestly I use IE all the time. I only default to other browsers when I have an issue loading a page. My favorite alternate browser is opera, now opera is afflicted with a terrible memory leak but all browsers have a memory leak over time. I do like the interface and how light weight it is if you don't add a ton of tabs.
Afterthought:
I hate firefox. Sure back in the days of rocks and the invention of the wheel it was great and secure but I have noted in the past 10 years it's just as apt to being exploited as IE if not worse in my books. I can't even count the number of times that the infector was latched or came through firefox to begin with. Saying that firefox is the best secure browser to me is akin to someone stating that their McAfee security suite catches all of the infections before they affect the PC.
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