Have you seen the updated SDK? The updated download can be found here: http://www.microsoft.com/downloads/details.aspx?familyid=9c178b68-3a06-4898-bc83-bd14b74308c5&displaylang=en
The following table contains a summary of changes:
Area of SDK
Changes
Callouts
Class/Message Reference Documentation
Assign Message
TimeBlock
Quote Detail, Sales Order Detail, Opportunity Product
Sample Code
InstantiateTemplate, SendEmail
Download an Attachment
CRUD Operations Using Dynamic Entities
Retrieve the Localized State Name
Route an Incident from a User to a Queue
Helper Code for CRM Types
Support and Certification
Client Side Scripting
Introducing the Microsoft CRM Web service
Links
Microsoft Dynamics CRM, Customer Relationship Management, Software, ASP.NET NET, Silverlight, MOSS, Office, Sharepoint, AJAX, Javascript, BizTalk, C#, WPF