Just moved from the Office 2010 Technical Preview to the Beta that was released last week or so and noticed a new bit of functionality in Outlook. I don't know the extent of the interoperability just yet but I look forward to seeing it in action with anything other than SharePoint. MS Info Page Here...
I ran across this last night in my after hours work away from work. https://www.mesh.com/welcom... It is a new online service offered by Microsoft that allows you to synchronize all of you components in one place. Need a document on your home PC? Install Mesh there and BAM!!! you have instant access to it from anywhere. Anywho, check it out. I think you might find it useful at some point...