9 computers, computer hardware, namely, visual display units and terminals and computer software for use in the fields of computer simulation and visualization; visual display units; information and data storage and retrieval apparatus, namely, hard and floppy discs and diskettes and optical discs; disc drives; data processors; integrated circuits; solid state memories; printed circuit boards; Read Only Memory (ROM) chips; sound generation and reception equipment, namely, solid state and optical disc audio equipment, namely, loudspeakers, headsets; apparatus for the generation, display, monitoring and manipulation of electronic and computer generated imagery and sound; computer interactive manipulation and control equipment, namely, joysticks, switches, keyboards; gloves and other devices movable by or with the body to generate input signals to the computer; parts for all the aforesaid goods; all the aforesaid goods for use in immersive, three-dimensional interactive virtual reality systems in which the user wears a headset