Since we'll be filing this week, and no one's created this thread yet ...
Cover Letter listing Table of Contents
(Check Payable to U.S. Department of Homeland Security - $1,225.00)
Form I-485 (completed and signed by non-US Citizen/beneficiary)
Copy of beneficiary's Passport with biographical page
Copy of beneficiary's K1 Visa from Passport and entry stamp
Copy of NOA2 Approval letter (from K1 pro