I found this on Dr Evan's blog today.
http://www.atomicprecision.com/blog/2007/08/08/hubbard-bedini-machines-theory-and-operation/
The pics look good and the person reports 90-95% efficiency for bifilar config. He seems to be confident of getting overunity for trifilar.
I don't know who he is, and his email etc, perhaps someone here would be interested in calling him here and ask him to post results here. :)
Update:
http://www.atomicprecision.com/blog/2007/08/20/bedini-machine/