Support and information is starting to build about Acorn on their forum site: Centroid Community CNC Support Forum - Centroid Community CNC Support Forum
Peer based support, Q&A will be monitored there as well.

Info on Acorn can be found on the resource page:
Centroid Acorn CNC controller, Step and Direction 4 axis CNC Control board with ethernet communication

Just another offering to consider for the DIY'er and Students studying CNC Motion control and automation.

Its a great time to be in the hobby with so many products and choices available!