Activity Feed › Forums › Sign Discussion › Off Topic Chat › New Unit – Guide to Electricity Prices. › Reply To: New Unit – Guide to Electricity Prices. John Childs Member May 23, 2007 at 9:24 am quote John Gregson: Thanks for the replies guys. Phill that’s just what I was looking for, thanks for that. I now know I can afford both units but the smaller one would be a saving on what I currently pay. Decision Time. John, if my experience is anything to go by, you should choose the bigger unit. What I thought was ridiculously large when I bought it soon filled up and now we are very cramped.