He doesn't want the relaxed geometry that the Wabi has. Also, workmanship is a concern, and IIRC jdg had an issue with his.

I'd honestly pick up another BK if you didn't have an issue with the previous one.

Also, if you're willing to go up to 775 for the wabi, have you considered a Toyo Godzilla?
http://www.retro-gression.com/produc...track-frameset

Doesn't really get more ****** than that, and it seems to be exactly what you're looking for.