In a meidum bowl, whisk together flour, oats, baking powder, and salt.  In a large bowl, cream together margarine and sugar until light.  Beat in egg replacers.  Blend in 1/3 of the flour mixture, then half of the buttermilk and vanilla, then 1/3 flour, half the buttermilk and vanilla, and the last bit of flour.  Set aside to make topping.

For the topping: Combine flour, brown sugar, and cinnamon.  Cut in cold margarine until mixture resembles coarse sand.

Pour batter into a greased 9x9 or 11x7 baking dish.  Sprinkle topping over top.  Evenly sprinkle raisins over the top.  Bake at 350 for 45-50 minutes or until a toothpick comes out clean.