Quote Originally Posted by TrickyCNC View Post
If you can put a few photo's of this other machine, we can perhaps suggest some improvements or different options. Or, it might be that it doesn't need improving :)
It the one described in this book: http://www.amazon.co.uk/gp/product/1430224894

Click image for larger version.  Name: 51nRGXIBXOL._BO2,204,203,200_PIsitb-sticker-arrow-click,TopRight,35,-76_AA300_SH20_OU02_.jpg  Views: 281  Size: 20.8 KB  ID: 6897

and on the site Build Your Own CNC Router, CNC Machine, or 3D Printer