Sorry, I've never heard of them. If it doesn't cost an arm and leg it would be worth getting.
Oh it's not for me - I go along and look at the machines, see if all the bits are there, if it's likely to work, roughly how much it might be worth, that kind of thing.
It was very nice, but I am in a "one in - one out" situation here, so something would have to be amazing for me to buy it for myself and let something go