Maybe you've already seen this ... but I wasn't aware of it. Pretty slick.
http://www.bealltool.com/products/turning/lathewiz.php
http://www.youtube.com/watch?v=DXgBPEpWuoQ
http://www.bealltool.com/products/turning/lathewiz.php
http://www.youtube.com/watch?v=DXgBPEpWuoQ