Is that true, FoxCrane? I was told that the benefit of placing the recessed lights right at the edge of the counter was that it wouldn't cast a shadow?

I would work to improve the layout some before getting detailed into the lighting scheme.

https://www.houzz.com/magazine/decorating-101-how-to-plan-your-homes-lighting-stsetivw-vs~12803740

Totally disagree with Patricia -- the way to remove under-cabinet shadows is to put under-cabinet lighting, and otherwise your lights should be placed so that you yourself don't create a shadow while standing at the counter! I like them just a few inches off the wall cabinets, so I'd move all of yours inward a bit. I don't think that the pendants need to lineup with your other lights -- they're usually more decorative than task-oriented. But either way, I would place them relative to the whole peninsula if there is any eyeline from the other side of the counter. (I can't tell whether there is continuous room below this floorplan, or just doors from elsewhere.) But neither one would be offensive to look at or to use. Least clear on the upper-left and lower-right cans -- why not center them with those doorways (if that's what those are)?