Interestingly, a newer book with a different focus, Boards that Lead [0], lays the blame on the ultimate demise/downfall of those two companies on the boards as instructive of things not to do. Both books are quite good, and worth reading -- even if it is better not to treat them like roadmaps =)

[0] http://www.amazon.com/Boards-That-Lead-Charge-Partner/dp/142...