I just spoke with Ben at Powerhouse, and he has me on the list for one of the replacement BPs coming from Germany. Word on the street is that it's supposed to be a softer BP and 5.5" as others have reported. Also, they do have a website now:
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Looks like you can't order online yet, but gives you a better feel for Powerhouse. Sounded like it's very much still WIP as well.