'Black Krim' is a medium-sized heirloom tomato, developed in the Black Sea region of Russia. It is often described as having a rich, slightly salty flavor.
'SunSugar' is unusually sweet even for a cherry tomato.
'Lemon Boy' has medium-sized fruit and a sweet and mild, slightly tangy taste.
'Brandywine' and 'Big Rainbow' beefsteak tomatoes with vinaigrette.
An oxheart, a meaty tomato type that has few seeds, makes a big impression at Seed Savers Exchange in Decorah, Iowa.
Cherry and pear tomatoes have some of the sweetest flavors of any types of tomatoes. During the summer, farmer's markets often have a good selection of varieties.