I''m half left, half right, I do most things using my right hand, except for other things, like writing, I use my left.
I like what you are thinking, but I don''t think left or right handed people have much differences other than that. Although, you could probably work out whether people are using their left hand or right, by watching how they move the mouse, because, when I move the mouse horizontally with my left hand, it tends to go in a direction that is sloping down to the right, while with my right, it slopes up to the right. Whether or not you can use this info or not is another story.
I have often wondered along these lines, and considered writing a program which will firstly ask people tihngs like their age, sex, country, favorite colour, phobias, favorite food and so on and then play a game with them which tests different things, such as aggressiveness, tendancy for the left or right and other stuff.
Actually, now I think about it, I''ve just remembered something, it is a proven fact that people are more likely to walk to the right than to the left, and in department stores, some companies will pay more to have their products to the right of the entry. Perhaps, since it is also a proven fact that 90% of people are right handed and left handed people are better at using the creative side of their brain (the right side), I think maybe you could make some links.
Just off topic, Paul, where in NSW are you?
"Only a fool quotes himself"
Andy Owen
My Homepage (Non games related)
My Current Project (Games related... I think)