Somewhere between the physical and the virtual
System Center Blogs
Configuration ManagerThe team that supports Configuration Manager.
OrchestratorA blog by the teams who make and support Orchestrator.
Operations ManagerThe folks who make and support Operations Manager.
Data Protection ManagerBlog done by the Data Protection Manager product and support teams.
Service ManagerCommunications from the System Center Service Manager team.
Virtual Machine ManagerThe team that makes and supports Virtual Machine Manager.
System Center HomeThe home page for System Center on the Web.
System Center on TechNetTechNet's agglomerated resources on System Center.
myITforum.comRod Trent's Web site primarily focused on systems and configuration management.
SystemCenterCentral.comThird-party site that pulls together stuff across the SC suite.
Deployment ForumCommunity site about Windows deployment matters.
The Blogcast RepositoryWhere you'll find technical videos, blogs, forums and more on Config Manager as well as other System Center products.
FAQShop.comHints, tips, answers, FAQs on Microsoft's systems management products.
Virtualization FeedMaster aggregator of blog posts and twitters on virtualization.
Virtualization HomeFor all pertaining to the Microsoft Virtualization story.
Launched a couple of weeks ago, the OpsManJam.com site is a new community resource for Management Pack authors and IT Pros, focusing on MP authoring best practices, but also with featured articles, tutorials, administration content, downloads and more.
The content on the site is comprised from multiple Microsoft sources including Microsoft Consulting Services, Microsoft IT, the Operations Manager product team, and key members of our field. While this content is not 'officially supported' by Microsoft, you can be assured that it's used in the field and every day inside of Microsoft.
Join the rapidly growing community at OpsManJam.com, and you'll be sure to find some useful nuggets of information ... and more!
Sacha Dawes Sr. Technical Product Manager System Center
There's no real community aspect to it (i.e., you cannot comment or participate). Its definitely a community resource but not sure how it fits into the community model. Those who have been waiting for this site to show up are a little disappointed, primarily due to it being built on Sharepoint. There's just no "Wow" factor.