Preheat oven to 350 degrees. Mix oats, flour, Grape-Nuts, wheat germ, oat bran, and baking soda in a large bowl to blend. Set aside.
Using an electric mixer, beat butter until creamy. Add eggs, both sugars, and vanilla. Beat until smooth. Add cereal mixture, stir just till blended. Mix in almonds, raisins, and dates (Can be prepared 1 week ahead). Chill and let soften at room temp before baking.
Grease baking sheets. Scoop 1/4 cup of dough onto prepared sheets, spacing mounds 2" apart. Press cookies to 1/2" thick. Bake unitl brown on top, about 15 minutes. Let cool for 10 minutes before serving. Serve warm or at room temp.