Indeed, it can be found right here: http://www.tfw2005.com/boards/radicons-customs/262456-custom-classics-shockwave.html And I'm the proud owner of it, it currently looms over my custom Classic Megs made by SentinelPrime.
Wow! Ok..Cool.. I actually didn't want to use the double shoulder mod as what you and FR did. But my 2nd shockwave arrived in 2 pieces...It broke at the hip joint. So, I decided to just go ahead with it. Just trying to figure out a scheme for him now. Thanks for the inspiration!