Ubisoft's Assassin's Creed's engine's... being used later?

It's obvious. Ubisoft, you aren't fooling anyone! Looking at the screens for Assassin's Creed and the dramatic camera angles... you're going to use this "Scimitar Engine" for the next Prince of Persia title, aren't you? Admit it! All right, so they won't talk. But the rumor still remains -- Ubisoft is working on another title for next-gen systems after they wrap up Assassin's Creed, using the engine created for the aforementioned game.

Could any other game by Ubisoft match the style of play shown to us by their current project? Anyone who has played Prince of Persia: The Two Thrones knows the team had fiddled with stealth killing, a possible lead-in to AC. But what next? Nothing yet, but we'll keep you posted on this (the team will announce the game next year... so... not too far off).