Microsoft Dynamics AX 2012 is RTM. This means final build of the product has left the R&D team and will soon be general available. Today, you can already access MSDN documentation for Microsoft Dynamics AX 2012 for Developers.
My favorite features in AX 2012:
I'm proud to have been a part of the extraordinary team building this extraordinary product, executing on a 3 year plan and delivering on time. Since you are reading my blog, I feel confident this product will have a positive impact on your professional life. Starting today!