Because living in a Microsoft world kind of stinks sometimes. You know...pop-ups, spam, more pop-ups, spyware, even more....yeah, you get the idea.
Take the time to download the Firefox browser. Its incredibly stable for me, very fast, and (oooh, I love this part) free free free.
There's even a link in the sidebar if you are repulsed by inline links. Hey, I've seen weirder things.