I grabbed one of these since I didn't have a hardware FM synth. While playing around with a web-based patch editor and seeing how well synths can run in a web, I started using AI to build out my own synths, and it's been a lot of fun. I've done FM, granular, samplers, 303 and 808 clones, and a bunch of others. So yeah, if you don't care about the experience of having a bespoke device, you could probably one-shot something much more sophisticated than this.
> 303 and 808 clones
It doesn't have nearly enough power for proper circuit modeling. You might as well use samples.