PREHEAT oven to 350°.
In a large mixing bowl, CREAM together butter and sugar until light and fluffy; BEAT in eggs: ADD sour cream and vanilla; MIX well.
In another bowl, WHISK together flour, baking powder, baking soda, salt and cinnamon.
Gradually STIR flour mixture into creamed mixture just until moistened.
FOLD in berries and 2/3 of the chopped nuts.
POUR into a greased 8x4-inloaf pan; SPRINKLE with remaining nuts.
BAKE until a toothpick inserted in center comes out clean, about 65-70 minutes.
LET COOL in pan 10 minutes before removing to a wire rack to cool completely.
May substitute blueberries for some or all of strawberries.
Per Serving (excluding unknown items): 269 Calories; 15g Fat (49.8% calories from fat); 5g Protein; 29g Carbohydrate; 1g Dietary Fiber; 60mg Cholesterol; 257mg Sodium. Exchanges: 1 Grain(Starch); 1/2 Lean Meat; 0 Fruit; 0 Non-Fat Milk; 3 Fat; 1 Other Carbohydrates.