Eyeos, a case in point.
So I have just found what I guess is the closest thing to Foldera. (See previous post). Its called Eyos and you can see it here http://www.eyeos.net/
It looks great and the functionality looks really finely tuned too. But, its too slow. Just the speed of getting the data across the web (even though its pretty efficient using, I guess
I think what we need for such systems is have the web interface and then an "at work" or "at home" interface that is fast and real time, unlike the marginally but signifigantly slower web service interfaces.