Wispy/sparse foliage

I'm looking for some of the best tomatoes (productivity, flavor, earliness) with wispy/sparse foliage. I understand this is a common trait of oxheart tomatoes. It's a trait I like for a few reasons.

If I don't cage the plant, it should in theory get more sun than an uncaged plant with thick foliage, and be easier to find the tomatoes (because the leaves should be easier to see through). If I grow plants in close proximity, these might be easier to deal with like that. They hopefully won't smother other plants quite as much.

The plant with the wispiest foliage (of about a hundred varieties) I'm growing this year is Maglia Rosa. It's doing relatively well; so, I'm planning to grow it again next year. I don't know if it's supposed to have wispy foliage. Last year, Golden King of Siberia was wispy, but I'm not sure if I'll grow it next year. Julia Child is supposed to be wispy/sparse.

Does Indian Stripe Heart have this trait? I ask because I have the seeds, and plan to grow them some time.

Does anyone know an early variety like this? I'm trying to cut out late varieties, for the most part.

I have a preference for acidic tomatoes, but I like most others.