Boss got so much right with their DD‑3 that it has remained on sale ever since it launched in 1986. But this year they’ve updated it and introduced the more adventurous DD‑8.
I've got a Zoom MS-70CDR [multi-effects] pedal, and a few people are saying not to use it via an aux send and return, owing to a comb-filtering issue. Have you noticed this issue with digital pedals on aux returns?
The 1973 version two Big Muff Pi — with a ram's head printed on the casework — was used on so many classic records that EHX have decided to bring it back.