Preheat oven to 325°F. Crush the graham crackers & mix them with butter. Press firmly on bottom of a 9 inch spring form pan. Bake for 8 mins. then let cool. In a small bowl, stir the gelatin thoroughly with 1/4 cup warm water. Stand this bowl in a larger bowl of hot water while you proceed. Whip the cream and set aside, whip the egg whites until stiff & set aside. Cream the cheese with the sugar until smooth. Beat in the egg yolks, vanilla and Bailey's Irish Cream. Mix it thoroughly into the cheese mixture. Fold in 1st the whipped cream, then finally egg whites. Pour into prepared pan. Chill overnight or for several hours. Sprinkle with grated chocolate or toasted almonds. Drizzle each serving with a little extra Baileys.