I've spent the last 2+ years researching different parts for a single board computer and this shield is attractive because it can do video. It isn't easy getting chips made so I started researching microcontrollers and that is why I am here.
The 6502 and 65C816 are 5 volts so products in the Arduino line are attractive.
I have programming experience but I haven't used an Arduino before but I plan on getting one next month.
I let other users on 6502.org know about your product and this site.