91-10/Mandala.info The whole thing runs on an Amiga or Mac and is remarkably low-cost. The system has been demonstrated at the CHI'90 and '91 Interactive Experiences (as well as a number of other places). Vivid Effects can be reached at: 317 Adelaide St. W. Suite 302 Toronto, Ontario Canada M5V 1P9 (416)340-9290 catinhat@well.sf.ca.us