CrossRoads:
Its certainly possible to do more complex things, but likely more processing power is needed:
A Bit of Light Dancing: Bizarre 3D LED Curtain Display | Gadgets, Science & Technology
yeah i've seen that vid and this one..
that's way way beyond what i can do atm..would be cool to do.. but who am i kidding... i'll never be able to pull that off - it's not just hooking it all up, it's doing the animations that will kill the whole thing for me.. besides, i have a few smaller projects to work on atm..