One of my favorite dishes is spaghetti with meatballs. Do you like that too? 
I love them too. It is an American dish after all, but I prefer it without the tomato sauce.
What kind of sauce do you use if there is no tomatoes? 
just olive oil or butter. It seem that Sphaggeti with meatballs was an innovation of early 20th century Italian immigrants.
Yes, do you also like other spaghetti variations? Like spaghetti carbonara? 
Yes I do.  Even when spaghetti is made of milled wheat and water, there are some varieties without gluten.
Do you like Spaghetti aglio e olio? 
Yes, and do you know there is Beastie  Boy album called like that Aglio e Olio
No I never knew that.  I need to look that up.
like pasta served with small meatballs (polpettine). It is traditional made-in-Abruzzo recipe. It is a generally a first course (primo piatto) prepared with chitarra pasta cut with a traditional tool called “chitarra” or guitar-like strings tool. They are seasoned with meat or vegetable ragù and served with pallottine (little balls, which are actually meatballs).
Other dishes that have similarities to spaghetti and meatballs include "pasta seduta" 'seated pasta' and "maccaroni azzese" in Apulia.
Pasta al pomodoro
Pasta al pomodoro () is an Italian food typically prepared with pasta, olive oil, fresh tomatoes, basil, and various other fresh ingredients. It is intended to be a quick light dish, rather than a dish in a heavy sauce.
Pomodoro means "tomato" in Italian.
See also.
- Spaghetti alla puttanesca
- List of pasta dishes
- List of tomato dishes