There are camshafts for 6 gen accords. This one says it adds 40-58hp, kinda costly, but hey, thats a pretty big boost in power for 1600 bux.

http://www.mmrusa.com/gude.htm

Edit: If you do decide to get it, post back here, and tell me how your car is idling and whatnot, 'cause i havent saved up enough money to get one yet.