It is superior to IE, has more options, a powerful popup stopper, a potent and learning spam filter, it's more secure, little flaws and it's fast. No more activeX dialer shit, no more auto scripts that fuck your default homepage and add millions of links in your bookmarks. Not to mention its email client that is brilliant.
Download it for free
here.
P.S. Or use Firebird if you prefer the broswer only.