Further to my earlier posting on Office Live, if you are interested in developing a small business hosted solution on Windows SharePoint Services v3 for Office Live, please email me at AskIW@microsoft.com to let me know. I'm looking for Partners who:
In the meantime, watch the video; download the Office Live Developer Guide Preview and also check out the Office Live Developer Portal on MSDN. There's also a basic overview demo here.
Great to see the SharePoint efforts in the UK! :-)