I have used them several times and had no problem - bought a second hand engine back in the summer which has lived up to expectations. Other people have told me different. I believe some of the bad reputation may be a carry over from a previous company.
Thanks L'escargot
I'm interested to hear what other people's expeiences have been, mine have been an absolute nightmare of overcharging and ineffiency, so I would be pleased to hear what others think