been looking at them, impressive bit of kit. even down loaded the software for a look see. like the screen layout as well as i will be using a touch screen. problem is shipping to the UK as i will get hammered for tax. would double the price.2 words: Centroid Acorn! http://www.centroidcnc.com/centroid_diy/acorn_cnc_controller.html Forum: http://centroidcncforum.com/viewforum.php?f=60 True encoder threading, CSS & proven software.