If you need to test a website here are a few tools:
Install different versions of Internet Explorer (let it be IE3, IE4, IE5, IE5.5, E6 or IE7) on Windows, Mac and Windows.
Litmus will show you exactly how your Website or email is seen through the eyes of your readers, whatever web browser or email system they might be using.
An article about – Lean Usability Testing: Current Best Practices and Resources
You can get screen caps of you site here in most bowers (NO IE)
This works to… but I have read it’s not perfect
Download all version of IE