Thanks to Keith Furman for the tip: NeoPlanet has released a technology preview of their upcoming NeoPlanet 5.0 Web browser, which will allow users to dynamically switch between the Internet Explorer display engine and the "Gecko" engine used in the upcoming Netscape Communicator 5.0 Web browser, code-named Mozilla. This release represents the first decent example of a Mozilla browser, but it also vividly demonstrates how far behind the technology is. The Mozilla engine currently displays pages slowly and poorly and often just fails completely. Still, if you're interested in a bleeding-edge look at the future, this might fit the bill.
For more information, and to download the 4.1 MB NeoPlanet 5.0 technology preview, please visit the NeoPlanet Web site