one things for sure, the government are laughing all the way to the bank.... literally.... until they waste it. i'll stop there - no political views allowed an' all that!
although, i must say, i only used morrisons for the miles thing and generally being the cheapest it seemed the best return, however over the last year, i ventured down the nectar route and more recently though bp aswell as other retailers and I think its probably the best return for the best quality.
My dads mate, hes a CAD guy, mainly draws pipes, i assume for nuclear installations given the secrets act he has to sign and the fact he wont utter a word, he's in the know. Im sure many others of other disciplines are too....