NEC

The Dark City Productions Duo Pages
Information about the PC Engine/Turbo Grafx 16, a Valis homepage, and the Error Archive (screens displayed without a Super System^3 card).
http://www.darkcityproductions.com/duo/

Duo Planet Italy
Italian website for Duo gamers worldwide. Games exchange, guestbook, and Duo links.
http://web.tiscali.it/rtp/

Jadeite's Turbo Grafx-16 Page
Dedicated to the Turbo Grafx-16, Turbo Duo.
http://rp_gamer.tripod.com/TG16/1.html

PC Engine DE
Information, tips, games, hardware, and software.
http://www.pcengine.de

PC Enginefx.com
Information and images of the NEC PC-FX covering the PC Engine, Playdia, Dreamcast, J-POP, and NeoGeo Pocket.
http://www.pcenginefx.com

PC Engine.net
Excellent resource for PC Engine related information, including screenshots, reviews, and console information.
http://www.pcengine.net

Turbo Grafx Addict
Provides cover scans of both Japanese and United States release games.
http://www.fortunecity.com/marina/indiabasin/1211/index.htm