Transporter users: Do you notice that the desktop software has a massive memory leak? If my Transporters do a big synchronization, they end up eating up all my RAM. On my iMac, it was reporting 15GB in use! This was after thousands of files synched, but it has exhibited similar behavior when it was hundreds or dozens of files.
Coincidentally, all the notifications for those thousands of files also took down Notification Center, I'm pretty sure. It was not responding and was using over 12GB of memory. I had to force-quit it.