Raphnet has a wider assortment available than RetroUSB (and hopefully Coleco soon if I can figure out the spinner code properly in the near future). Heck, he has an adaptor than can handle 4 (s)NES controllers on a single USB cable.
So, are you working with Raphnet to get a ColecoVision version of his adaptor built? I had wanted to try this myself but just don't have the programming skills. I even contacted Raphnet a month or so ago about getting a ColecoVision adaptor project going but got no response.
Are you aware that there is another adaptor for the ColecoVision due for imminent release? I have been beta-testing it and it works great (including the Super Action controller spinner). Check it out at:
http://home.comcast.net/~tjhafner/Vision-daptor.htmBTW - I have a RetroUSB adaptor for the ColecoVision and it generally works fine, but there is a problem when using the number pad on a SA controller - the keypresses are either not registered or two different keypresses are registered when only pressing one. On the Vision-daptor all SA keypad presses are correctly registered. I tried to resolve this issue with RetroUSB but he was unresponsive after a few emails (this was all a good few years ago and he has since discontinued his ColecoVision adaptor).