Check out Opera. With Opera, you can use the mouse or keyboard shortcuts to speed up browsing. For instance, you can reload a Web page by right-clicking and moving the mouse. Opera also features "hotclicks." tabbed browsing, page zooming, and Double-click a word or some text and a menu will open. This menu offers a translation, a dictionary search or an Internet search.Opera includes pop-up blocking, tabbed browsing, integrated searches, and advanced functions such as E-mail program, RSS Newsfeeds and IRCchat.
It runs on a variety of operating systems and evaluations have been largely positive.
Check it out http://www.opera.com/
The Best part is that it's FREE!