Bring a large pot of lightly salted water to a boil. Add pasta and cook for 8 to 10 minutes or until al dente; drain.
In large frypan heat oil over moderate heat. Remove casings from sausages and add to frypan. Cook, breaking up the meat, until brown. Add garlic and chilli and cook, stirring until garlic is golden brown.
Add tomatoes and salt; bring to boil. Reduce heat and simmer 15 minutes.
Add vodka and cream and bring to boil. Reduce heat to low and add pasta, toss for 1 minute. Stir in fresh parsley and serve!