Thanks a lot to both of you for your feedback. As aspiring indie devs, we know that this encouragement keeps us going! Hope you got a chance to play it on Kongregate, and left a good star rating for me there
mrnannings - I have a mobile version already in the works, and am using the accelerometer / tilt of the device to guide the ball similar to the way we used to have those small hand-held maze games in the physical world.
danialgoodwin - thanks for the tip! have incorporated it into the top post...