The following sites have proved useful for mmmonkey.

Suppliers	Forums/Fansites	Other Guides etc..
Pre-Modded, Services, Kits, Games etc	ASSEMblergames Digital Press Eidolon's Inn GameSniped Mean Machines Archive Neo-Geo.com NTSC-UK PC Engine Software Bible PCEnginefx.com Retro Gamer Mag RetroCollect Rewind Retro Blog Rllmuk Sega Saturn UK Segagaga Domain	Bacterias Site MODDEDbyBacteria Caring for your games Console Modding Site DamoMonster DatasheetArchive DC Emulation dforce3000 DjoeN's Console Euphoria Dreamcast Talk GamesX The Longhorn Engineer NeoGeo Universe Bios NTSC Gamecube VGA Guide Resistor Colour Codes Retro-Repair Retrocorner.net SegaXtreme Soldering Guide SMS Power! Tim's Projects 'n' Stuff Tim's Sega Page ULTIMATE Sega Saturn Switchless Mod Videospiele Technik Wolfsoft
Console Passion Retro Games ConsoleGoods.co.uk Genki Video Games Play-Asia.com Racketboy Retro Play Retro-Accessories RetroGamingCables Rewind-Bits Rewind-Gaming Segagaga Domain Store TheGameTrain
Components
Bitsbox.co.uk bespoke-solutions Maplin Mouser RS

Bitsbox.co.uk have been absolutely brilliant to me over the last couple of years, fantastic prices on the chips for various mods, and going out of their way to source components that weren't listed on their page.  Brilliant customer service.

This is where I got the pixel art graphics from, they're grrrrrrrrrrrrreat