I don't.. (i own 6 in total, 2 via deceit/stupidity(seller's and buyer's(AKA Me)) 1 was gifted and 3 (2xBB and 1KO mechabot colour variant)just because, but not anymore))
I am
I'm not familiar with KO Shockwave but ,from experience, KO's are poorer quality (good from far, but far from good) If you want a Shockwave to appreciate, you have to go for a real one IMO
If you want one to drive into the ground, then maybe..