I have one of these monsters, I had to buy it from the USA and pay for the shipping costs, but it was still a reasonable deal. It has been a bit of a pain though and is a bit tempremental in operation, it can just stop for no reason. On top of that it has had more then its fair share of wiring problems, but last month found a new thing and got its motion in a knot! That is now sorted, but now it has a short somewhere so is still in the dock....I wouldnt part with it though as its an impressive engine when it does work.