Sierra Nevada rules. Torpedo is probably my favorite. I just bought a case of Tumbler and a case of the latest Summer Beer Camp mix. I think theres still one more Hoptimum left in my fridge too.
Until recently Fox has used the same 2 basses- a 1976 Ibanez Destroyer and a Rickenbacker 4008 (but with only the 4 standard strings on). On the tour following Hammer of the North he picked up a Jazz bass copy of some kind (I tracked down the brand at some point, but its EU-only so I didn't...
I've heard great things from the Jazz Bridge model.
Too bad your "[live trout] not far from the truth" thing was just a joke, otherwise my fishman guess would've been pretty good. I guess it was indeed a joke though.