In this page we see various versions of the NUON chip on development boards.
 

Alpha Chip (June 1996)

First version of the NUON chip with very limited funtionality

Oz (April 1997)

The beta chip was the first fully working version.

Aries (1999)

Second generation of the NUON chip

Aries 2 (2000)

New version of Aries with some bug fixes on a smaller board

Aries 3 (2001)

Faster version of Aries and currently last version of NUON. Here in a debug configuration with DVD drive, display and debug card

Aries 3 based reference player

Full DVD player based on a standard reference board.