Parts suppliers I've used can be found on the Parts page. Here's a list of other automotive websites of note, in no particular order:
		NSX Prime NSX Trader Online RealTime Racing NSX Files Ultimate NSX Reference Procar Specials Danoland King Motorsports Cybernation Motorsports Gearhead Girlz StopTech Acura Club Viper Club of America Auto Salon Auto Sales V8 Supercars McLaren Cars LTD McLaren Photo Gallery AARRF Club Racing Race Deck Flooring Longacre Racing Products Acura NSX-R 2002 Page Classic Car Collection NSX Freak Autosport Racecare UK Dauer/Porsche 962LM Goodwood Estate Comptech Speed World Challenge JGTC Race Info Holman Moody GT-40 UK Site Ford GT-40 Re-Issue Vemac RD320 Race Team Vemac RD320 Pictures Porsche 917 LMK Ultima Cars UK Barchetta Classic/Sports Car Channel Bridgestone Motorsports Mosler Automotive Taitec / GT-ROM Japan Site CAV GT40 Diversified Cryogenics Slowpokes Drivers School Speed Style Sound Spoon EXP4 Performance Additives TurnFast.com NSX Registry F1-Live DAL Motorsports NSX God Factor X Engineering HANS Device NSX Sports Car Online Honda Tuning Magazine FastVoice NSX