Okay as the previous review said, this is an absolutely awesome product. We wanted a proper built-in one someday, but I'd go so far as to say this one's better (read "easier to use").
However, I thought I'd add some of things we've learnt from using it a couple times now, so people don't make the same mistakes.
This assumes you're using wood, we haven't tried it with Read more
I would recommend this product to a friend.