I've seen a lot of "IE problems" and "Spyware" related threads recently. In many of them, the Firefox junkies here jump in to recommend moving away from IE to Mozilla Firefox.
I run Firefox and it is truly excellent. The plugin support is a lot better than it used to be, and tabbed browsing is fantastic!
Anyway, how many people have tried it or run it? If you have done neither, and are still on IE, then I strongly recommend you try it out. Of course, if you have another non-IE browser that you prefer, fair enough!