Do you make heavy use of any of the items?
Answer: Yes, you need to address this before the migration.
Do You Use a Few and They're Important?
Answer: Yes, you need to address this before the migration.
Do You Use a Few Rules & Signature, Only?
Answer: Yes or No. You can recreate these after the migration without any issue.
Have You Heard of These, But That's About It?
Answer: No. You live in a world where chaos is king and you're okay with that.