hi my name is colin, i live in liverpool and ive applied for european grant to buy a reach and wash system, i have a small ladder round now but due to being made unemployed i wish to start up a much larger round with a reach and wash and try and gain more houses and some comercial work, brodex are near to me and would be easy to buy and get them to fit me a system in my van, im lookin at buying the ro system because it seems to envolve much cheaper running costs than the di, are theese systems any good? can anyone suggest a better system? can any one help me please? i hear you a great buch so many thanks.