The user cross posted the question so a migration wouldn't have been a good idea.
However, Code Review as a migration target might be a good idea - if only the site were out of beta ;) Beta sites can't be the target of migrations from the dialog, it will always take a moderator to do that.
The top five migration targets in the last 90 days are:
- Stack Overflow (obviously as it's in the list)
- Super User
- User Experience
- Project Management (beta)
- Code Review (beta)
The next two live sites are:
- IT Security
- Unix and Linux.
From the numbers I'd say that there was a case for Super User and User Experience being added to the dialog.