I'm now officially on the hook to start the community around our upcoming product (that's what happens when you blog too much!), so I'm going to be paying very careful attention to the new SMS and MOM community sites. These are a one-stop shop for knowledgebase articles, downloads, pointers to related communities, MVP profiles, and of course blog entries.
There's also a brand-new newsgroup specifically to discuss managing software updates with SMS, although the group doesn't seem to have filtered through to the Microsoft newsgroup portal yet: microsoft.public.sms.software_updates
And to match the intent of this newsgroup, the SMS team have released a couple of important documents for SMS 2003: