Groove shifts towards centralized model
ComputerWorld: Groove modifies P2P underpinnings of its products
That's a good thing. I don't know much about Groove anymore, but I wasn't sure how a company was supposed to back up their Groove'd data in an easy, reliable manner when it was decentralized. Not saying it couldn't be done, just... not as simply.
But it sounds like backup wasn't one of the primary motivations for the new centralized server option.