A new, 196 page document can be downloaded from Microsoft: SOA in the Real World.

the text dicusses basic principles (and myths) and tries to explain how the goals of an Service oriented architecture can be achieved with .NET 3.0 and other MS tools.

Is this the successor to the famous (but a bit aged) "Application Architecture for .NET: Designing Applications and Services" ?

It has better pictures in it, thats for sure:

Elephant

I will read it, need some lecture for my holidays anyway...