Make sure to check it out: http://blogs.msdn.com/x/
They already got a cool post on how to implement the observer pattern in X++.
This is the lastest of great AX resources becoming available. This site is an umbrella site for existing information. It ties together news groups, blogs, training materials, downloads, online documentation, and much more.
It didn't take me long to realize this should be my default home page for my iexplorer - this is a site I'll be visiting a lot in the future. Make sure to check it out yourself!
Here is yet another way to hone your Dynamics skills. Both application and development tracks are available.
This is the official statement:University for Microsoft Dynamics is a three-week, intensive training course with foundational and case-based instruction based on real customer situations. Responding to partners’ need for quality training classes led by trainers with field experience, Microsoft is working with selected training partners to offer five tracks covering the core of Microsoft Dynamics AX consulting and development.
Please refer to global training website for pricing, current and upcoming training schedule at: http://university.msregistration.com/
As more classes and new locations become available, they will be posted to the link above.