Spicy Shrimp and Scallop Alfredo

1 lb large shrimp , peeled and deveined 10 large sea scallops , drained well and 1/4 cut 3 sun-dried tomatoes , julieened 5 button fresh mushrooms , sliced[...]

1/2 lb fettuccine 1 lb shrimp 6 tablespoons butter , divided 4 garlic cloves , minced 1 1/2 cups half-and-half 1 1/3 cups parmesan cheese , grated 1[...]