leaked PSN list, and now the ESRB has rated a very similarly named title. Although Sony hasn't officially acknowledged the game's existence, Ratchet & Clank Future: Quest for Booty is pretty much an open secret now following the software ratings board's listing.
The ESRB rating doesn't explain whether this a retail follow-up to Tools of Destruction or a standalone PSN Ratchet & Clank game. With E3 next week we're not even going to try and pull speculative answers out of Clank's metal heinie; a little bit of patience should result in answers shortly.
[Via PS3 Fanboy]