I understand and thanks to everyone who has replied for you frankness.
It looks like I really do need to stick to the advice of John Ruskin that I was taught whilst studying economics many years ago:-
"It's unwise to pay too much. But it's worse to pay too little. When you pay too much, you lose a little money, that is all. When you pay too little, you sometimes lose everything because the thing you bought was incapable of doing the thing it was bought to do.
The common law of business balance prohibits paying a little and getting a lot. It can't be done. If you deal with the lowest bidder, it is well to add something for the risk you run. And if you do that, you will have enough to pay for something better.
There is hardly anything in the world that someone can't make a little worse and sell a little cheaper and people who consider price alone are this man's lawful prey."
Thanks again and it looks like I'll have to save up for Miele after all !!