basically seems like they've got a virtual setup now that lets them essentially deploy "the pirate bay" on anything that runs virtual machines.
Now if they had distributed user run VMs running this private server VPN they might have something to talk about, but is basically just a hosting change. Makes it easier for them to move around as hosting get wise and shuts them off (as it will inevitably do).
The real question is, are they doing something sneaky like having VMs running on known clouds using encrypted vpn traffic to hide the fact that those machines are pirate bay VMs, and relays to feed info in and out. ;) Just speculating...