Anyone work with one of these yet? Supposedly it doesn't change tone at all, pure attenuation. A friend of mine is a drummer of a band where his guitar player uses one even on gigs in small venues. It is a little pricey, but might be nice.

Gibson Les Paul Standard Plus w/ '60s neck
Ibanez JEM 7V
Jackson SL2H Soloist
PRS Singlecut SE
Marshall JVM410h
Marshall 1960a 4x12
Line 6 Pod x3 Live