Appliances such as coffee makers, toasters and electric kettles most certainly benefit from 220.There is a reason you do not see many electric kettles in the U.S... they take longer than the stove to almost boil a pot of water, compared to the 20 seconds or so you get in the UK for a rolling boil.I also quite like the switches on UK outlets, although the size of the sockets is somewhat ridiculous.I'