MSPress offered me a free copy of their book Microsoft Windows SharePoint Services a few months ago if I would review it on my blog. I figured I could use the book, and were no rules, deadlines, etc. I don't really consider myself a sell-out since Microsoft supplies me with any MSPress books I need anyway. I figured it was worth previewing since SharePoint is used in Visual Studio Team System project portals, I've been stymied by SharePoint in the past, and I figured it wouldn't hurt to have a copy of it in my office.
Here's my take on it after a few months of having it in my office:
Hope that helps!