Glad you made it OP, congrats! As an immigrant in the US I went through the "Extraordinary Ability" path and the process was a journey of pain and anxiety. Many roundabouts with a lawyer that promised me expertise in the process and it ended up with a NOID (Notice of Intention to Deny - something like that) from USCIS. My wife and I had to study the USCIS manual page by page and re-wrote almost all documentation from the lawyer. It wasn't easy but we made it.