I'm a music composer and I want to use the iDisk for passing files back and forth to clients, securely. Let's say I have 2 shows. I set up 2 folders in iDisk on the public folder: Client A and Client B. Is there a way to setup a password for each folder so Client A can't access Client B's folder? Maybe I'm missing a simple way to do this. I'm sure Apple will change everything once this cloud thing happens...Any ideas?