If you're following the PDC announcements, new, good things are coming for developers and business... MSDN is already showing some topics to get you started.
Azure Services Platform. Includes Windows Azure SDK, Live Services SDK, Microsoft .NET Services Nov 2008 CTP and SQL Services (more on that in a bit).
And finally, if you're reading this blog, I'm certain data is near and dear to your heart. The docs are available for in all their glory for you to consider SQL Data Services (SDS). The Overview is the place to start if you're wondering what you might get out of the SDS.
Enjoy the learning!