Calculate your import Duty and VAT before you order anything from outside EU.
Very handy for ebay and other USA, Chieese and Hong Kong shoppings.
You can calculate online or there is free Android app availble on Android Market to download.
Search for "Duty Calculator" on android market.
for iPhone it cost £1.19 [Just shows iPhone owners will pay for anything even it is free elsewhere :) )
[ thanks to Kippy for checking it on iTune]