If you need help with Team Foundation Server 2012, here are some people and places which will prove invaluable:
Visual Studio Homepage: http://www.microsoft.com/visualstudio/en-us
Team Foundation Server on Channel 9, useful videos: http://channel9.msdn.com/Tags/team+foundation+server
Visual Studio ALM and Team Foundation Server Blog: http://blogs.msdn.com/b/visualstudioalm/
All the extensions you need, find them on the Visual Studio Gallery: http://visualstudiogallery.msdn.microsoft.com/
ALM Overview: http://www.microsoft.com/visualstudio/eng/alm/overview
Customizing Team Build, blog series by Ewald Hofman: http://www.ewaldhofman.nl/post/2010/04/20/Customize-Team-Build-2010-e28093-Part-1-Introduction.aspx
Guidance on using friendly DNS names in your TFS environment: http://www.edsquared.com/2011/01/03/Using+Friendly+DNS+Names+In+Your+TFS+Environment.aspx
Visual Studio ALM Rangers: http://msdn.microsoft.com/en-us/vstudio/ee358787.aspx
Visual Studio Team Foundation Server Forums: http://social.msdn.microsoft.com/Forums/en-US/category/vstfs
StackOverflow TFS: http://stackoverflow.com/questions/tagged/tfs
Radio TFS: A great podcast around Visual Studio and TFS: http://www.radiotfs.com/
Community TFS Build Extensions: http://tfsbuildextensions.codeplex.com/
Brian Harry, Product Unit Manager for TFS: http://blogs.msdn.com/b/bharry/
Brian Keller, Microsoft Sr. Technical Evangelist for Visual Studio ALM: http: //blogs.msdn.com/b/briankel/
Ed Blankenship, Program Manager Visual Studio Testing & Lab Management: http://www.edsquared.com/
Martin Hinshelwood, Senior ALM Consultant and ALM MVP: This blog contains tons of useful guidance around Visual Studio and TFS – http://blog.hinshelwood.com/
Neno Loje, a leading German author and ALM MVP: http://msmvps.com/blogs/vstsblog/
Marcel de Vries, Dutch speaker and ALM MVP: http://blogs.infosupport.com/author/marcelv/
Adam Cogan, ALM MVP, speaker and Regional MS Technical Director for Austrialia: http://www.adamcogan.com/
Jeff Levinson, ALM MVP and author: http://blog.nwcadence.com/author/jefflevinson/
Tarun Arora, ALM MVP, active blogger and ALM MVP: http://geekswithblogs.net/tarunarora/Default.aspx
Martin Woodward, Program Manager Visual Studio Team Explorer Everywhere: http://www.woodwardweb.com/
Ricci Gian Maria, ALM MVP, active blogger: http://www.codewrecks.com/blog/
Urban Turtle Agile/Scrum Management Tools for TFS: http://urbanturtle.com/
TeamPulse Agile Project Management Tools: http://www.telerik.com/agile-project-management-tools/
InRelease – Agile Release Management for TFS: http://www.inreleasesoftware.com/
inteGREAT Requirement Management Tools for TFS: http://www.edevtech.com/products.html
See the following books for diving deeper into the TFS:
Professional Application Lifecycle Management: http://www.amazon.com/gp/product/1118314085
Professional Team Foundation Server: http://www.amazon.com/gp/product/1118314093
Software Testing with Visual Studio 2010: http://www.amazon.com/dp/0321734483
Agile Software Engineering with Visual Studio: http://www.amazon.com/Agile-Software-Engineering-Visual-Studio/dp/0321685857
Pro Application Lifecycle Management with Visual Studio 2012: http://www.amazon.com/Application-Lifecycle-Management-Visual-Professional/dp/1430243449
A list of useful extensions can be found at http://geekswithblogs.net/terje/archive/2012/03/22/visual-studio-amp-tfs-11-ndash-list-of-extensions-and.aspx
The Visual Studio Team Foundation Server Power Tools is very useful for all who use TFS 2012: http://visualstudiogallery.msdn.microsoft.com/27832337-62ae-4b54-9b00-98bb4fb7041a
Follow Microsoft's Jason Zander on Twitter: http://twitter.com/#!/jlzander
Follow ALM MVP and ALM Ranger Build Guide Lead Mike Fourie at http://twitter.com/#!/MikeFourie
Follow Willy-Peter Schaub, Microsoft ALM Ranger at http://twitter.com/#!/wpschaub
For more open source information, follow Packt at http://twitter.com/#!/packtopensource