Im in england too!!! WOOTWOOT!!!! cant wait!!!!
because i cant get it for another two days, i wouldnt know personally but it looks like it is.....mainly because:
-you can catch 510 (or somin like that) pokemon
-Fantina is the third gym!!!
-Most of the gyms have been remodled
-Some buildings have been remodled (like the galactic HQ)
-New characters such as the Detective and Commander Pluto
If you wwant more, then do what i did to find this out and go on the platinum walkthrough