Yep, converged all 6 of our vcenters last month - went well.

Only gotchas were:

- Disabling backup schedule before starting

- using the --skip-domain-handling option, because our identity source name differed from the domain the PSC was joined to (id source was the parent domain in the same forest, vcenters were joined to a child domain).  I had to run a manual domain-join after the converge.