Considering danmac didn't make a wish, I'll go with the wish above.
Kevinjh, you wish for potato chips (crisps, in English) but you can only have one flavour to last a life time, and that flavour is mustard.
I wish to play the Doctor when Matt Smith retires.
(I'm thinking UK Doctor Who, here)
_________________
'I may not amount to much, but at least I am unique.' ~ Jean-Jacques Rousseau
'I sometimes go to my own little world, but that's okay, they know me there.' ~ Joel Hodgson