I don't know what I want but I want it now

This comes from Vivian Stanshall's Sir Henry at Rawlinson End - immortal words uttered by Sir Henry himself, the most un-Chav of English aristocrats, who eventually destroys the nearby housing estate of Concreton with the help of his trust diplodocus.

You can hear it at around 9.20 on the following extract:

http://www.youtube.com/watch?v=lYf7Oph353U&fmt=18

Better still, listen to it all for a real slice of Englishness.