> "pairing it up with a pen you can use it for all sorts of artwork projects too."

Making a pen for all kinds of artwork that's well built, supported by the OS and painting applications, precise, with pressure sensitivity, good overlay and without input lag is a big challenge. Especially on GNU/Linux. I hope this is more than just a toy pointing device and can follow the hand and sensitivity of a trained artist. I hope Tuxedo will provide specs and demo for this aspect.