Earnings Reports / Webcasts
Two approaches to solving the same webcast problem:
http://www.microsoft.com/msft/earn.mspx
It is pretty clear that Macromedia's solution (via Breeze) provides a far superior experience to the Microsoft approach. This space is actually pretty active. If you think Breeze is cool, you should check out these guys, who just released a standalone version of their product (something Macromedia has yet to come out with).