Opera is now free, totally.

Opera is now available totally free. You could always use it free, but there would be ad banners on the main window. Now the free version doesnt have ads.

http://www.opera.com/

For those who don't know about it, Opera is a web browser like Internet Explorer, Apple's Safari, or Mozilla Firefox.

You can read about why its free here: http://www.opera.com/free/