The first double 'B' one is really good - maybe in a circle?
I agree... here is my version of #1 within a circle.

I like it but I'm concerned the extra circle will shrink the logo.
Just a low quality draft but here's how you can keep it inside a circle without losing the original size:

Hey man, I agree with the draft here. The circle ring on the outside was bothering me and this contast of the two colors gives a really good feel to it. Can we get a HQ logo for that?