365 Games are selling "Ratchet & Clank Future Tools Of Destruction" for the Sony PS3 for £22.99 (inc Del.)
This is the region free verison (English language) so will play on any PS3 but you won't be able to trade it in at places like Game, CEX, etc.
Best price for the UK version is £27.95 from TheGameCollection.
The funky little Lombax mechanic and his trusty robot sidekick Clank return in an all-new adventure exclusively on Sony`s PS3. Developer Insomniac promises that Ratchet & Clank: Tools of Destruction will return the series to its roots -- namely playing up the crazy platforming and weapons and the duo`s inimitable charm -- while also greatly evolving the series` look and scope. SIXAXIS support has been confirmed.
Ratchet & Clank Future: Tools of Destruction brings back our heroes in a brand new series for the PS3. This time Ratchet & Clank must embark on an galactic adventure to unravel the mystery of Ratchet`s origin. This epic adventure will introduce new characters, new weapons, and all-new worlds for Ratchet & Clank to explore.