This handy video tutorial presents instructions for getting an Internet browser on your Xbox 360 game console without any mods. All you'll need to follow along is to configure Xbox Media Center, or XMBC, to use the computer you use to surf the Internet. Get a web browser on your Xbox with this how-to!
The latest version of the XBox 360 Media Center comes with a TV-optimized version of Internet Explorer 10. You can apply to join the public beta of the new XBox Live (including IE) here.