I recentlly purchased the marshal jackhammer and i feel i must say that i actually want it to have my children.
i love it. its got distortion on it which is franklly quite crap, however the overdrive is soooo nice i almost wet myself. i can go from an old bluesy warmth through bright punky tones and right into big phat metal crunch, all with just a couple knob twidles.
if anybody is thinking of an overdrive pedal then i cannot recommend this enough.
while i was buying it i also blew some xmas cash on a set of planet wave cables and its definatelly money well spent.
nehu, i have to get back to playing