I want some suggestions for a really versatile overdrive, i recently bought a Zvex fuzz factory, i am very happy with it being the last fuzz i'll ever have to buy. Now i am wondering what could be the only overdrive i'll ever have to buy.

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Boss OC-2 MIJ -> ZVEX Fuzz Factory ->Big Muff Pi NYC -> Proco Rat 2 -> Dunlop Crybaby Classic -> Traynor YCV40WR