I didn't know a lot about the OP-1 but it seems like a real handy machine, especially the fact you can listen and sample the radio in it, is some amazing on it's own but the price tag on that seems was out of reach for what I would want it to do (that's just me though I'm not shelling out tons of cash for anything ever again).

Anyway, I looked at a review of the OP-Z by Andrew Huang https://youtu.be/Sw__2UHka1s and he seems to make everything look easy but even for me who takes a while to understand a piece of equipment, the OP-Z seems like it's made to create crazy patterns on the fly and do some things the OP-1 doesn't do, but the big down factor is you can't sample with the OP-Z but I'll still wait till the price drops to under $400 before I would want to buy it; but knowing them, by time the price drops, they will just discontinue it, and put out something else.

https://tinyurl.com/y4ba6hog

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"We in here talking about later career Prince records
& your fool ass is cruising around in a time machine
trying to collect props for a couple of sociopathic degenerates" - s.blak