I have been using these boards for some time now and i like it ,no cad nothing just carefully sketch away
Very simple to set up to a computer

http://youtu.be/JXhDe2oqtpQ setup and configuring the drawing board super l vi


http://youtu.be/CvKA18FthMg lawn chair profile conversion
The super l vi came with corded and cordless pen has 4 input devices