Place wheat berries in a medium bowl; cover with water to 2 inches above wheat berries. Cover and let stand 8 hours. Drain.
Place wheat berries in a medium saucepan; cover with water to 2 inches above wheat berries. Bring to a boil; reduce heat, and cook, uncovered, 1 hour or until tender. Drain and set aside.
Cut chiles in half lengthwise; discard seeds and membranes. Place chile halves, skin side up, on a foil-lined baking sheet; flatten with hand. Broil chiles 8 minutes or until blackened. Place chiles in a heavy-duty zip-top plastic bag, and seal; let stand 10 minutes. Peel chiles, and chop.
Combine chiles, wheat berries, bell pepper, and next 8 ingredients (bell pepper through beans) in a large bowl; stir well. Serve chilled or at room temperature. Garnish with cilantro sprigs, if desired.