What do mean "Down the Drain?" He said he'd release it after the six members of Devastator are released. Plus, Tang's a busy man! Check out his other works like the Noir and Justice, they take some time! [Not in his case ;P] Either way, he might've just wanted the model to be unique, probably unavailable to the public. Or maybe he has posted the finished version on other forums. Just because he hasn't released it, doesn't mean it's down the drain.
Projects never go down the drain until the designer says so