Thoughts on XSOAR?

I'm looking for thoughts and opinions on XSOAR from anyone who has worked on/is working on SOAR initiatives and in particular from anyone with experience and/or knowledge of XSOAR.

What are the difficulties and challenges of implementation? What are the advantages of it? What are some of the pitfalls and drawbacks? In what areas is it better than competitive platforms and in what areas is it weaker?

Also curious if you're willing to share what tools sets you've integrated with …

challenges cybersecurity experience initiatives knowledge opinions soar thoughts working xsoar