I just ordered one up, after drooling after Nolly's clips with these pedals for a while now. Didn't have the scratch for the B7K, but all the clips I've seen of the B3K seem like it's right up my alley and will be great to reamp with.
[VIDEO]http://www.youtube.com/watch?v=UmYqEMxQ_FQ]Darkglass Electronics Microtubes B3K Bass Demo - YouTube[/VIDEO]
[VIDEO]http://www.youtube.com/watch?v=dmIcJ1AoJzw]Darkglass Electronics B3K Bass Overdrive - Fast w/ DRUMS - YouTube[/VIDEO]
Only $235 from these guys with the 10% coupon, as opposed to 300+ direct, and 40-50 more on eBay:
Darkglass Microtubes B3K Bass Distortion - PrymaxeVintage
I need me one of these.... !