Cook the fettuccine according to package directions. Meanwhile, in a large skillet, saute shrimp and scallops in 1 tablespoon oil for 3-5 minutes or until shrimp turn pink and scallops are opaque. Remove and keep warm. , In the same skillet, saute shallot in remaining oil until tender. Add garlic; cook 1 minute longer. Stir in broth and wine. Bring to a boil. Reduce heat; simmer, uncovered, for 6-8 minutes or until most of the liquid has evaporated. Stir in cream; cook, uncovered, over medium heat for 5 minutes or until thickened. , Drain fettuccine; stir into cream sauce. Add shrimp, scallops and cheese; toss to coat. Sprinkle with tomato, parsley and if desired, additional Parmesan cheese.