There was a guy over at FABO looking for a set of TA rockers...I bet they are worth pretty close to a grand...if they are in good shape.
http://www.forabodiesonly.com/mopar/showthread.php?t=334062&highlight=rockersCrane still has the left and right w2 rocker 1.6 ratio available at summit...and the exhaust are just standard A engine rockers...
stands are available from link below which are less expensive then MP..the shafts are the killer...about 300 bucks for a set since they are offset drilled.
http://www.billetracingparts.com/Rocker%20Stands.html