btw, I am still puzzled why Behringer hasn't made a reamp box. But I was pretty amazed that Line6 PodXT Pro has pretty clearly labeled "ANALOG REAMPING INPUT/OUTPUT", but I guess it is only for the pod, not any other amps:
http://line6.com/podxtpro/photogallery.html
http://line6.com/podxtpro/photogallery.html