2 sites from this group are still live and have actually gotten better.
Ideo is now one of top Industrial Design and Engineering companies, and the site has only grown to reflect this success.
The IBM Chess site - originally designed by Clement Mok (Studioarchetype) - has been wonderfully maintained and even includes new material! It's encouraging to see a beautiful site such as this live on for historical and educational purposes.
Digitalthread has featured sites since September 1996. Updates are scheduled bi-monthly on the first of the month.