SNES

Canadia Ninja's Sprites - http://www.geocities.com/canadia_ninja/
Contains game sprites. Mostly SNES, but other console games are covered as well.

eLook Video Game Cheats - http://www.elook.org/games/cheats/snes/
Offers cheats and codes for Nintendo SNES games.

Game Winners: Super NES - http://www.gamewinners.com/snes/
Cheats, codes, and hints.

MobyGames - SNES - http://www.mobygames.com/browse/games/a,15/
List of SNES games with reviews and screen shots.

Nintendo Land: Super NES - http://www.nintendoland.com/snes/
History of the console.

Snes Central - http://snescentral.edgeemu.com
Super Nintendo website - includes reviews, unreleased games, peripherals, rarities, screenshots, scans, and emulation

SNES Cheats - http://www.free-game.com/SNES_Cheats/
Cheats, hints, codes and tips.

Snes Resource - http://www.angelfire.com/sk2/snesres/
Contains game information, screen shots, and cheats.

SNES Reviews - The Online Community - http://www.snesreviews.co.uk/
Reviews for the SNES is the main focus but there's also cheats, guides and a forum available as well as comment fields for each review so you can have your say.

SNES RPG Radio - http://snow.prohosting.com/edgar131/
Contains lists of songs for games.

Super Famicom Central - http://myweb.tiscali.co.uk/superfamicom/
Super Famicom community with reviews, and information.

Super Nintendo - http://www.wishtrade.com/AZVideogames/SNES.html
Contains reviews for the console.

Video Game Reviews: Super NES - http://www.videogamereviews.vg/super_nes.shtml
Reviews.

World of Super NES - http://www.world-of-video-games.com/snes/super_nes.shtml
Nintendo tips, codes, passwords, reviews, Game Endings, and Game Genie codes.