Preheat oven to 350 degrees F. Cut crusts off each slice of bread. With a rolling pin, flatten bread. In a small bowl combine cream cheese and powdered sugar until well blended. In a separate bowl combine sugar and cinnamon. In a small skillet or microwave-safe shallow dish, melt butter. Spread 1 to 1 1/2 tablespoons of cream cheese mixture onto a flattened bread slice and roll up. Dip bread roll into melted butter and then into the cinnamon and sugar mix. Place on an ungreased cookie sheet. Repeat for remaining pieces of bread. Bake for 16 to 20 minutes until golden brown. Serve warm.