The market has moved on
This service was useful but 99% of companies over patch anyway because they have little or no understanding on what is the most relevant threat facing them. Very few critical patches have actual malware that is taking
People so often panic when something catches a journalist's eye and over fix - case in point the recent Firefox URI handling issue - which even made the BBC - there is NO malware whatsoever using it http://www.securitymob.com/my_smob/alert_info.asp?alert=65280 but the press would have you believe that the sky is about to fall in.
Moral of the story - don't hit the wrong target by basing your patching strategy on enumerating badness.