I remember someone (I think it was @Lauren?) contributed some seeds to the Serendipity Seed Swap that may have been almond x peach crosses. I’ve been curious ever since about what kind of tree that might turn out.
Well, here’s a nursery that’s selling a cross like that, with a description of it!
There are basically four options. Edible fruit and bad pit, bad fruit and bad pit, edible pit and bad fruit, or both edible. The result depends on the genetics.