I like Firefox, as well. But I don't know that it's as flexible as IE. And I don't know that it is any less vulnerable. As it catches on, the thieves out there will attempt to break into it. But once you get a few 'toolbars' inadvertently installed on IE, BHOs, and a few other things, even after you pull them out it does seem to break down and become unstable, as if the libraries have been corrupted (or maybe some undocumented registry junk). And you don't want to have to reinstall the whole, everytime. But I still prefer IE over Firefox. We'll see if that remains true in a few months.