New Developer Tools: Advanced Developer Extensions

Fancy doing LINQ queries against Dynamics CRM4?  Want to have a super easy data driven programming experience? Well, guess what? That and much more is included in the latest SDK absolutely free; no need to pay a third party, just download and start playing with it (look for Advanced Developer Extensions)

http://msdn.microsoft.com/en-us/library/ff681559(v=MSDN.10).aspx

Question that future cautious people will certainly ask: Will a similar experience be provided for CRM5 and beyond? A: You bet! You will love programming against our web services in CRM5, trust me.