In saucepan, over medium heat, combine the peaches, splendra, and water. Bring the liquid to a boil. Reduce the heat to medium low and simmer for 5 minutes. Remove from the heat. In a blender, puree the mixture until smooth. Add schnapps and more water if needed to thin the puree out into a peach juice. Refrigerate until chilled. Fill each flute glass 2/3 of the way with Champagne. Add the peach juice and serve -- Yummy.