In a large bowl, soak matzo in water briefly. Drain water and crumble matzo.
Melt chocolate with coffee and sugar in the top of a double boiler or in a small bowl in the microwave. Add brandy if using. Cool.
In a large mixing bowl, beat margarine until fluffy. Add chocolate mixture, beating well. Stir in matzo and nuts.
Place a piece of wax paper about 2 feet long on a work surface. Use a large spoon to shape a mass about 10" long and 2" in diameter. Wrap the wax paper around it and shape into a cylinder. Tuck the ends under, place on a plate, and refrigerate at least 3 hours until firm.
Melt glaze ingredients. Unwrap the roll, spoon glaze over it evenly, and chill again. To serve arrange on a platter surrounded by berries or serve slices on individual plates with a berry or two on the side. Slice with serrated knife.