Anyone who's been even half-serious about creating websites in the recent past, knows about the dilemma of needing to test in the different versions of Internet Explorer, and the fact that you basically can't have more than one version of IE in one Windows installation.

Until now. Simon (who always has great content, btw) points us to Multiple IE's in Windows, a document that outlines the discovery and execution of a relatively simple technique that will allow you to run several independent versions of IE on one copy of Windows. Joe Maddalone (the guy responsible for this), should be a pretty famous dude in the design community in the next few days.

You might also be interested in these alternate icons that you can use to distinguish between versions:

Ryan Parman has packaged and made available the minimum files needed to run each browser (along with the 6.0 that you should already have). You can also always get what you'll need from Evolt.org's browser archive.