I've not noticed any wear but I'll go home tonight and have a look. Honestly I'd be annoyed if there was any, it's not really acceptable given the amount of R&D they put into the DS4.
Mine still look like new, despite heavy use... maybe its my baby soft skin

I'm desperate for a new game, having only KZ-SF and AC4... I'm not keen on Knack, COD or BF4 so I'm thinking about NFS-R.. I've never played a NFS game before, and have only played Forza over the past five years, so am not sure if its going to be worth a punt. What is the consensus here?.. worth a try or wait for a better driving game with Driveclub?... is it totally 'arcade' or is the driving satisfying?