Double Sweet Corn and Lobster Chowder

Name: Double Sweet Corn and Lobster Chowder
Ingredients: 4 uncooked lobster tails, meat removed and sliced into large chunks, briefly sauté in butter (slightly undercooked), cool and refrigerate until ready to add to the chowder.; 3 ears yellow and white corn, roasted ( I oven roast in the husks); 1/2 lb diced sweet potatoes; 2 lbs diced white or yellow potatoes; 1/2 cup light cream; 1 cup heavy cream; 3 cups lobster corn stock; 1 cup shrimp stock; pinch of saffron; 8 slices pancetta, diced; 3 small shallots, minced; 1 leek, white part diced; 2 small Bay leaves; 2 Sprigs of thyme, leaves removed and minced; 2 tablespoon unsalted butter; 1/2 teaspoon sweet paprika; 1/4 cup white wine or sherry; White pepper and salt to taste; Pinches of saffron; 3 large diced tomatoes sauteed in the lobster butter