First Things has a series of articles written from different perspectives on the Virgin Mary. Do take a look.
Edward T. Oakes, SJ: Sola Gratia and Mary's Immaculate Conception
J.I. Packer: Mary: Mother and Disciple of Christ Jesus the Lord
T.M. Moore: "Call me Blessed"
Cornelius Plantinga, Jr: The Mother of God at Prayer for the Kingdom of God
Matthew Levering: The Brothers and Sisters of Jesus