I have been having trouble getting Vista Ultimate's MC to see this card.  It keeps telling me 'No Tuner Found', yet Nero Home can see it.

According to this link, the 'updated' ATI Vista drivers only work with the Premium edition of Vista:

http://winqual.microsoft.com/HCL/ProductDetails.aspx?g=d&cid=111&sv=&f=86p&pn=ATI%20Theater%20650&oid=19

Anyone have any luck with Ultimate?