The Samsung MR-00EA1 Extender for Media Center has its good and bad points. Rather than looking at the specs, however, I recommend you think about the kind of end-user you are. If you are worried about maximizing features and trying to eek every bit of performance out of your Media Center, this might not be the product for you. But if you are a casual user that is just looking for a way of getting you content from your Vista computer to your Samsung display, the MR-00EA1 might be the right choice.
Discuss "Samsung MR-00EA1 Extender for Windows Media Center" here. Read the article.
The Xbox 360 Arcade (no HD) is also $200. How would you compare the Samsung to that?
Even if the Samsung is a better connector to your computer, the Xbox has to be a WAY better game player, and doesn't require Vista for a PC connection.