Knifecenter has a white handled plain edged one for $29.99.
http://www.knifecenter.com/kc_new/store_detail.html?s=SP28PWHNot sure if I like the white myself, but the price is good.
Edit: Spyderco serrations are excellent.
Here's a good article on plain vs. serrated from A.G. Russel:
http://www.agrussell.com/Articles/a/108/