I've owned an OP-1, Octatrack, and Digitone at various points.
They aren't comparable to the OP-1, which is more of a quirky, fun, expensive toy, and there's nothing else like it really. I wasn't getting anything done with it, so I sold it. But, I can definitely see how someone could have a lot of fun making songs with it.
Is it worth a thousand bucks? Nowadays you're probably better off spending half that on a Roland MC-101 or Novation Circuit Tracks.
But I always kind of wish I never got rid of my OP-1 - it was definitely the most fun I've had on a self-contained hardware device - the tape interface for recording was just awesome.
But as for the price increases, I never understood why people complain about this. They can charge whatever they want. This not a necessary item.
> Elektron is one of the few companies that pushes the envelope of digital sequencing
I think the Elektron sequencer workflow is overrated. Software is better. I understand thinking the restrictions encourage creativity (I don't personally subscribe to this idea), but the sequencer isn't "pushing the envelope" compared to what you can whip up in software.
So I guess I kind of think some of the Elektron machines are also quirky, expensive toys.