I do have a good little addon for this Multi IE. I have the option to "Open Link in" IE6, IE7 and Opera. So if I want to check a site in multiple browser easily, just takes a few clicks
This is what I use to test IE 6. It's a pretty accurate little program and it sits on your desktop and voila, it's a little slow but it works just like IE 6. IE 5.5 and IE 7 and IE 8 beta. In used it on XP and now I have vista. It works with any other browser installed.
Good information. Very useful when you need to test backwards compatibility. Although the version displayed at Help > About it's still your actual version.
I only every IE for testing purposes and is safely locked away in my Virtual Machine
I have IE7 standalone and kept IE6 native because the standalone version of IE7 seems more stable that its IE6 counterpart and this setup allows for both IE6 and IE7 to be using the IE Dev Tool which is a must. IE dev tool doesn't work with standalone IE6 in my experience.
So, IE7 standalone from tredosoft and IE6 from Microsoft