In large bowl combine lobster, grapes, celery, parsley and pine nuts. Prepare the dressing in a small bowl by whisking together the shallots, vinegar, lemon juice, tarragon, olive oil, salt and pepper. Pour over the lobster mixture and gently toss to combine. Line the rolls with lettuce and fill with lobster salad.
*Large shrimp may be substituted.
Nutritional analysis per serving: Calories 375; Protein 28 g; Carbohydrate 31 g; Fat 16 g; 38% Calories from Fat; Cholesterol 78 mg; Sodium 778 mg; Fiber 2.4 g.