sun sugar xl tomatoes, I've been saving seed and growing

sun sugar xl tomatoes, I've been saving seed and growing them for about ten years now. the flavour is distinct in these orange cherry tomatoes, sweeter and fruitier than the average tomato. the xl size come up through some variation, it's almost stable. I've started to keep 2 lines, one round and one egg shaped. this is a larger sun sugar with the same sweetness / flavour / color and the smaller typical ones. thinking it would be fun to cross the flavour with some more colorful ones or with other shapes.