I just picked up the Wii Nunchuk and classic controller for a total of $33.17 from CDUniverse using Google checkout. It says the release date is tomorrow, but GCO is valid.
Classic Controller
http://www.cduniverse.com/productinfo.asp?pid=7298657&style=games
Nunchuk
http://www.cduniverse.com/productinfo.asp?pid=7298658&style=games
Classic Controller
http://www.cduniverse.com/productinfo.asp?pid=7298657&style=games
Nunchuk
http://www.cduniverse.com/productinfo.asp?pid=7298658&style=games