I haven't done anything to my Legend yet. Sites I'd recommend though are:
Andy's Auto Sport Body Kits - Your Body Kit Superstore!
(for pretty much everything)
Wood Dash Kits | Dash Kits | Dash Trim Kits | Wooddashexperts.com - Home
(for different dashes - real wood, real carbon fiber, etc.)
JDM Honda Parts, JDM Honda Engines / JDM Nissan Motor Swaps, Used JDM Parts - Password JDM
(for JDM parts that you don't see people rolling with too often)