Salt eggplant and let drain on kitchen towels or in a strainer for 20 minutes; pat dry.
Bring a large pot of water to a boil for pasta.Heat a large pan over medium-high heat with the olive oil, 2 turns of the pan. Add sausage and brown, breaking it up as it cooks. Add eggplant, peppers and onions, and stir 8-10 minutes to soften. Finely chop parsley and garlic together, and add to pan. Stir in 1/2 cup wine or water and add tomatoes, breaking them up with spoon. Reduce heat and simmer 20 minutes. Salt boiling water and cook pasta to 1 minute shy of al denteper package directions. Reserve 1 cup cooking water and drain. Toss pasta with sauce, add starchy water, a drizzle of good EVOO and 1/2 cup cheese.Serve in shallow bowls and pass additional cheese at the table.