Michael Höhne who runs the site Stunnware has written an interesting blog posting on how development differes between CRM 3 and CRM 4. It is very interesting and very usefull. If you plan to develop using CRM 4, I highly recommend that you read it.
Next week is Convergence EMEA in Copenhagen. If you are planning to go there and would like to meet, please drop me a line and we can arrange it.
CRM and SharePoint Consultant