Microsoft recently released a Beta of Internet TV for Media Center.  Here’s a mention from Engadget:

Engadget

Worked great when it was first released, however I’m now seeing the following message when trying to use on different PCs:

APPLICATION ERROR – There is a problem with the application at this time. Try again later.

Anyone have any tips on when the service will resume?   Only played with it for a few days and already miss it!