A friend in Ann Arbor just finished a Greene and Greene bed and has the following pieces for sale on a "make him an offer" basis:
There are all S2S, they've been run through the jointer and planer (except the last piece). Length x wide x thickness
33 x 7 x 1 1/4
68 x 3 1/2 x 1 5/8
24 x 2 x 3...