Windows Client links that were posted on Microsoft.com from 8/29/08 – 9/4/08 that might be of interest:
Internet Explorer Administration Kit 8 Beta: https://www.microsoft.com/downloads/details.aspx?familyid=65033653-2721-4232-84e1-bf863631ba47&displaylang=en&tm
Internet Explorer Application Compatibility Article: https://www.microsoft.com/downloads/details.aspx?familyid=12eb7b94-3a05-4a0b-945c-14362a188901&displaylang=en&tm
Microsoft Application Compatibility Toolkit 5.0 (updated to support IE8): https://www.microsoft.com/downloads/details.aspx?familyid=24da89e9-b581-47b0-b45e-492dd6da2971&displaylang=en&tm
KB945367 (Update for Windows Fundamentals for Legacy PCs): https://www.microsoft.com/downloads/details.aspx?familyid=76651135-9390-4168-9c9f-a08d6f783279&displaylang=en&tm