The parish I work in is dedicated to the Sacred Heart, so it's a joy to celebrate the feast of St. Margaret Mary Alacoque, who gave us this devotion. Her image is it at the very top of our sanctuary, above the marble baldochino that reads Cor Iesu Sacratissimum, Miserere Nobis.
It's really something to imagine God as a Heart. It might save us from images of God that are more like a boss or landlord. To me the Sacred Heart suggests that God is a loving drive, a desire, a passion, sometimes broken, but always a com-passion.