Last weekend I installed a new web browser.
It's brilliant. Really.
Forget Internet Explorer. Forget Mozilla Firefox. Forget Safari (duh). Forget about ANY web browser you know.
You want speed? It loads faster than any other browser.
You want security? It's safer, and the developers actually SOLVE all security related problems disoverd in Opera. (pun intended, Microsoft!)
You want scalability? It lets you customise and modify almost ANYTHING you see.
You want mail? It's got a built-in mailclient. (A million times faster than outlook (express) or Mozilla Thunderbird)
You want more? It's got it.
Plus, it looks great. There's skins you can install (very very easy to do), I'd personally recommend the 'Tango' skin.
Seriously, try it yourself; it's not a big download, it's free, and you'll notice the difference immediately:
You'll love it.