A couple of updates from the last week I thought I would quickly mention:
1. Latest SDK 4.0.8 released
The latest SDK can be downloaded from MSDN featuring some nice new sample code examples as well as some ISV Extensibility Best Practices: http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=82e632a7-faf9-41e0-8ec1-a2662aae9dfb
2. New CRM Accelerator released: Newsfeed Business Productivity:
The Newsfeed is a great little customisable dashboard that presents a visual representation of events & news for CRM. it can be installed in 3 steps and provides a great first entry screen for your users.
3. Sample chapters of 2 awesome CRM books are now available on MSDN
Programming Microsoft Dynamics CRM 4.0
CRM as a Rapid Development Platform