At 18:46 -0500 22/3/05, John wrote: >Should I be feeling painful shocks when my arm is touching a bare >portion of the frame on the outside of the Ti? I only feel them >strongly when my foot is resting on the heating duct register, and >it seems only the bottom of my arms (between hand and elbow) feel it >strongly. John - I remember that it was always like that with my Ti-500. Bare forearm in the surface either side of the trackpad = shock. I would not say painful, but definitely noticeable. I do not know the source. regards, Trevor