Those of us who are of the more mature persuasion will remember the fiasco in 1971 when the UK went decimal, when everything went up in price virtually overnight. I now hear tales of inflation up to 40% on some items in Greece since they joined the common currency. As GUEST John said above, all it will mean is another increase in the cost of living. Also don't let us forget the VAT exceptions which we enjoy at present which we will certainly lose if we join, kids clothes [I think that still applies], and food, VAT on food would be a killer, for some people food is over 65% of their weekly income.
Giok