Just thought I'd post up where you can get OEM Honda parts at better than dealer prices right from the dealers as well as posting up my link to the Dealers' Software catalog.
Honda Online Catalog This is the online version of the dealer software to look up parts. User name and password is:
hondapc
Sometimes the catalog doesn't work if it's under a heavy load. Be sure you set the region and language properly.
Majestic Honda Parts Good prices on OEM parts.
San Leandro Honda Another place with good prices on OEM parts.
DCHautomotive parts Ebay store that sells OEM Honda parts at a discount.
Feel free to add any other links to Honda parts sites that you've had good experiences with.