That "ABLE" lock appears to be an Axis lock clone. So no wonder you like it. Other than balisongs, Axis knives are my favorite action.
Axis lock clone
I think, reflecting on this, we are in fact witnessing one of those as-was-the-style-at-the-time situations happening in real time.
Anyway, I think I only own one half serrated knife at this point and it's the SOG Flash II I already posted a while back. So I won't be able to participate in Serrated Saturday. Sorry about that.