Anybody tried the Carl Martin Contour & Boost? One of the things I really like is shelving, I find it much more useful than fixed-frequency tone controls or EQ. Unfortunately it seems to be overlooked by almost every preamp manufacturer. I just discovered the C & B, and it appears to provide 2-band shelving in a pedal! Has anybody tried this, and could post a review? I'm also interested in the 3-band parametric. Most EQ pedals will add noise when used for cut. How does the CM parametric sound? Also, does this have a standard unbalanced out? And since both of these pedals are 12v, what's the best way to power them?