I recently purchaced one of these Foredom clone Rotary tools for general use and for porting chainsaw cylinders. It arrived as expected; in good working condition for a good price. No the build quality isn't as good as a real Foredom, But what do you expect for 1/10 of the price? (in my case). I've already found it saving me time and effort across a variety of projects where I would have had to use hand tools as an air powered die grider would have lacked the torque or control required; which this had. It is also works with the standard Fordom compatible handpieces avalible from a variety of sources.
There are 2 things I would note from my order.
1) The Flex shaft wan't greased, so remember to do that before use. (it's basically an exact copy of a Foredom, so the parts aren't going to magically require less maintenance)
2) My unint included a (Foredom style) chuck key even though it is missing in the pictures on the webpage, so you might get lucky like I did, but as it isn't pictured or on the packing list I still wouldn't expect one.
Devo 
