Although we Brits can't access this yet, it's gone to beta in the US and looks pretty useful.

Seems to me like an obvious S+S offering - delivering a useful cloud storage and collaboration service through the various Office software clients. See Darren's blog for more info.

I'm a total Groove convert for working with the various vTeams, projects and locations I have to contend with - spend more than a few days with me and I'll force it down your throat - so I'm all for this!