I think that Electro-Harmonix, Moog, and Eventide are a head and shoulders above the rest for sure. When it comes to bass, I haven't found a distortion pedal that can match the tone from EBS' Multi-Drive. Their other pedals in the Black Label series are pretty rediculous too.
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I love science, and it pains me to think that so many are terrified of the subject or feel that choosing it means you cannot also choose compassion, or the arts, or be awed by nature. Science is not meant to cure us of mystery, but to reinvent and reinvigorate it. -R. Sapolsky
Upton Bass Custom 3/4 Upright, BSX Custom Allegro EUB, '80s Peavey T-40, MIM Active Jazz Bass, Godin BG-5 (for sale!), Fender Bassman 100 , `68 Fender Bassman 50 head, SWR Goliath 4x10, Markbass 2x10 cab