Ask Gordon Brown why you are paying VAT. Then ask him why the pound is so low compared to the dollar right now. Then ask him if Apple is paying any import duties. Then calm down some, and then come back here.
The GB£ is actually at its highest against the USD$ for quite some time now at approx USD$1.64 to the GB£1.00 compared to USD$1.4 to GB£1.00 which it had been for most of the first part of this year