Jezza I can organise a devils own kit group buy if your intrested
£196 for a base kit, £255 for a DVC-30 progrssive kit, Then for extras brought with the kits £20 for a dual nozzle upgrade, £30 for a 4 quarts tank, £42 for the 2.5 gallon tank and £85 for the baffled 2.5 gallon tank and £20 for a float level switch.
Those prices are for a group buy of 5 minuim google devils own for more details these are roughly the prices from the US but if you buy direct from US you have to add tax and shipping wich ends up making it alot more expensive in the region of
The american site is $240 + $46.40 P&P divided by 1.5 exchange rate = £190.66 Then you've got £8 parcelforce clearance fee + 17.5% VAT = £233.43
if your intrested I'll start somthing up