@rupert That’s definitely a valid option and you could indeed start directly with Orion in that case!
But note that even if you start transforming your Jupyter notebooks to Prefect flows using Prefect 1.0, it should be quite seamless to then move it over to Orion later since the basic Prefect Core syntax is quite similar. For instance, check out this thread:
Regardless of which option you choose, let us know if you have any questions along the way.