The latest release of the SharePoint SDK has seen some significant improvements, I know the content teams have been working really hard on these.
Browse/View the SDK in the MSDN Library:http://msdn.microsoft.com/library/default.asp?url=/library/en-us/spptsdk/html/SPSDKWelcome_SV01017094.asp?frame=true
Download the SDK:http://www.microsoft.com/downloads/details.aspx?FamilyID=aa3e7fe5-daee-4d10-980f-789b827967b0&DisplayLang=en
– SQL Full-text Search Syntax – Protocol Handlers Reference and Overview – An expanded introduction to SharePoint Portal Server – Expanded Concepts and Architecture section with new topics about o Profiles and Personalization o Search o Enterprise Application Integration
So get downloading….and reading!