Tim, a colleague here at Microsoft UK, forwarded on a link to Darren Johnstone's blog, or more specifically, a link to the Office Live section of his blog.
Darren has written a number of excellent posts on Office Live, specifically, developing for Office Live. He's documented working with Windows Mobile and Office Live, Office Live Solution Architectures, Office Live and SharePoint and more. If you are a developer, and are thinking about Office Live as a new platform, can you afford to ignore this kind of information?
If you don't know about Office Live, you can read more here, and if you didn't know, Office Live Basics is FREE.
I blogged 'Developing on Office Live ' a few weeks back, and highlighted a great blog by a chap called