I had stated a week ago that WSUS was a vast improvement from the old version. Part 1 of the BlogCast shows how to configure WSUS from the IIS console. Part 2 shows how to setup a GPO and assign it to specific OU's to target your clients. You can find out more about WSUS at http://wsuswiki.com/
If you have questions, email me at btucker@blogcastrepository.com