First of all I really want to say thanks for all the work you've put into your projects, you really deserve a couple of beers, if that's your poison

or a least a good coffee, damn mate whatever you like to drink. Honestly thanks.
Haven't had a chance to use it or try it out but it looks great. One of the things that has been missing for the RPi IMHO, would be great to see in the mainline Linuxcnc tree.
Would be great if you could add this to the RPi "mega thread" and I'll add a link in the index.
Now a request for an extra feature, any chance for ADC support. Would be great for things that a user wants or needs an analogue input.