In a large bowl, cream butter and sugars until light and fluffy, 5-7 minutes. Add eggs and vanilla; beat on medium speed for 2 minutes. Combine the flour, baking soda and salt; add to creamed mixture and beat for 2 minutes. Stir in nuts and chips. Cover and refrigerate several hours or overnight. , Drop by tablespoonfuls 2 in. apart onto ungreased baking sheets. Bake at 375° for 10-12 minutes or until golden brown. Cool on pans for 1 minute before removing to wire racks; cool completely.