Yes I did try the wall at the end. Shame it does not open and take you to the pup in London.
Working fine in IE too :)
The more exciting display is just round the corner, past the drawings and paper models, in the last room of the tour... I'd not realised that was how the tour would end, and it was a bloody marvellous surprise :)
And FF. It is well worth the trip to HP Studios if a) you have kids, b) you liked the films, or c) you have ANY interest in how film/sets are made. I now see why they cost so much!