In a bowl, toss strawberries with 1/2 cup sugar; set aside.
In a bowl, beat cream cheese, orange juice and remaining sugar until smooth. Fold in the whipped cream; set aside.
Drain strawberries, reserving juice; set the berries aside. Gently toss cake cubes with reserved juice. Place half of the cake in a 4-qt. trifle dish or serving bowl. Top with a third of the cream cheese mixture, half of the strawberries and half of the grated chocolate. Repeat layers. Top with remaining cream cheese mixture. Garnish with chocolate curls and strawberries if desired. Cover and refrigerate for at least 4 hours.
