The Cusack seems much more cleaner and less noisey, and looks the part too.
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I like the Cusack if you're going for a cleaner, more focused fuzz sound. It's basically a TS + a Fuzz Face, which (if you've ever tried the two pedals together) is quite awesome since you get the mid hump and light od of the TS with the warmth and fuzziness of the Fuzz Face, together yeilding a really clear yet raunchy sound.
A cleaner fuzz sound is basically what I was looking for and the Cusack seems a bit more versatile. Turning the fuzz down completely makes it (in my ears) a fine OD pedal. But the Neo fuzz sure sounds sweet as well. Decisions, decisions. Why are there so many options nowadays haha?!