Thanks Ryan, that's interesting. Marker must really be sold on the Piston concept. It appears that the two are not compatible, both having a lever at the toe piece. So they decided to do away with Selective Control. I have one of the racing bindings with SC and felt more of a difference with a pair of foam core Salomon skis (that broke behind the binding) than I do now having them on Dynastar SF's. They still do have that pre-release problem though. Went with Salomom Poweraxe bindings on my new Head Slalom skis last year and have been happy.
Hope some Bears post their opinions of the new Markers.