Rock Auto is good as well but they messed up my last order and I got into an arguement with them about it. They get you good sometimes on the shipping charges when you order multiple parts and it has to come from different warehouses.

It took them 2 weeks before they admit it was their mistake and refunded me back my shipping charges for the correct product and for the return of the wrong one.

Tirerack is good for parts as well, good customer service.
Bernardi Honda is good for stock OEM parts.