Matsushita Gamecube/DVD Player combo - 2001 ?
Microsoft X-Box - 2001
Nintendo 64 RAM Expansion - OUT NOW
Nintendo 64DD (will ever come in western shops? Nope...) - OUT NOW in Japan
Nintendo GameCube - 2001
Sega Dreamcast - OUT NOW
Sega Dreamcast 2 with DVD player - ????
Sony Playstation 2 - OUT NOW
NUON Technology (from Toshiba and Samsung) - OUT NOW in USA

PORTABLE SYSTEMS

Bandai Wonderswan - OUT NOW in Japan
Bandai Wonderswan with backlight screen - 2000 (?)
Bandai Wonderswan with Color screen - OUT NOW
Nintendo Game Boy Color - OUT NOW
Nintendo Gameboy Color Light - ?
Nintendo Gameboy Advance - March 2001
SNK Neo Geo Pocket - OUT NOW
SNK Neo Geo Pocket Color - OUT NOW
SNK New Neo Geo Pocket Color- OUT NOW
Sony Pocket Station PDA - OUT NOW
Sony Pocket Station PDA 2 - 2001 (?)
Portable Sony Playstation - PSOne is OUT NOW with optional LCD screen!

OTHER POSSIBLE PLAYERS ON THE INDUSTRY IN THE FUTURE

3DFx and other graphics producer (maybe licensing their graphics processors)
Fujistu (makers of the ill-fated FM-Town Marty)
Matsushita (maybe they are working on something... M3 maybe?)
Motorola (Where is their Blackbird-Streamaster ?)
NEC (never say never... hopefully! Now partners of Nintendo)
Project X licensee (Toshiba, Thompson, GE)
X-Box licensee (Compaq?, Dell?, Gateway 2000?)

HARDWARE DEVELOPERS ARE STILL OUT THERE SOMEWHERE

Amiga-Lynx-3DO hardware developers (where are they now? MICROSOFT!!!!)

ONCE TOUGHT TO BE POSSIBLE PLAYERS

Acorn (with a video game system based on the Archimedes/Risc PC platform)
Amstrad (with a CD-I compatible system)
Data East (they worked on a Neo Geo-type system called DECO)
Epson (they worked on a 32-bit system)
Namco (they had a 16-bit and a 32-bit system ready)
Seta (like DE they worked on a Neo Geo-type system)
SNK (with a Hyper Neo Geo 64 home version...)
Sony (with a Gameboy-like handheld system that some sources said it had a color screen)
Taito (look here!)