I dont think there are any mills smaller than them on the market?

4 axis CNC? Lathe conversion? It even seems to use sherline parts?

Check this out:

[ame=http://www.youtube.com/watch?v=AELNyhsXqtc]Unimat ML TheCoolTool.com - YouTube[/ame]

[ame=http://www.youtube.com/watch?v=2UouPPcEAmU]Eccentric turning with a Unimat Lathe - YouTube[/ame]

[ame=http://www.youtube.com/watch?v=RzhvlIAkXVs]Cooltool_4axis_completeset.flv - YouTube[/ame]