just creating this as a placeholder for when i actually start doing things with this... i have ordered a rainbowduino, 2 colorduinos, rtc and 4 8x8 led matricies. one colorduino has arrived, as have the matricies, and i have got a basic demo sketch working.
there seems to be very little out there for the colorduino, though many sites sell them. as a result, i will have to make my own i2c client sketch for it. we shall see how that goes :-)
hopefully get to try that tonight and even put a couple of piccies up.