Testing Multiple Versions of IE on One PC - IEBlog - Site Home - MSDN Blogs
Run IE 6, 7, 8 and 9 on one machine by running Windows XP within Windows 7. (via Mildlydiverting)
Run IE 6, 7, 8 and 9 on one machine by running Windows XP within Windows 7. (via Mildlydiverting)