Cream together the butter and sugar. Beat eggs and add to creamed mixture. Add melted chocolate. Mix dry ingredients and add alternately with milk. Stir in vanilla and nuts. Bake in greased loaf pans (2) or a large bundt pan for 40 to 45 minutes at 350. Cool in pans for 10 to 15 minutes and turn out onto platter. MAKE FROSTING: Cream cheese until soft; work in sugar until fluffy. Stir in melted chocolate and add vanilla and coffee. Frost cake when cooled. ----