Hi again, I got got the iformation about some tape that exists about VR as a walking help in PD...(thanks Joanna) does anyone have it. I aswell would be happy to pay for a copy of it. thanks :) Elkin Fricke [log in to unmask] 140 Baystate Rd. Box 1468 Boston, MA 02215 Tel: (617) 352-6094 "Another genious foiled by an incapable assistant!" Calvin & Hobbes