While on the subject of patching here is the home page for the newly released Windows Server Update Services (WSUS), the next generation of SUS. To find out more about patching, management and securing your networks, have a browse through Eileens or Steves blog.
WSUS is a patch and update component of Windows Server which offers an effective and quick way to help you get secure and stay secure. WSUS is an important step towards delivering a core software distribution and update management infrastructure in Windows. WSUS has both server and client components.
Most of your immediate questions about WSUS are answered in the FAQ site.