Who cares how it looks... it's a about functionality!
besides, it would be like a Cintiq... 1024 levels of pressure sensativity!
Very Nice, but i don't think it will work. I have an Intous 3 tablet (but no Macbook/powerbook) and you can put something under it and if you apply pressure it will work. as long it's under 6 mm i believe.
And i tried this with a cd case and it worked... then again, i tried it with my DS lite and it only worked on the plastic side...(i used...