I'm slowly re-working bits of our trip to Southern Italy. We are not travelling in a hurry, but not having a really deep interest on Magna Graecia, I'm thinking of picking one of these sites for a thorough full-day visit, and then be done with it.
Any of these sites could fit our itinerary.
I've tried to look at official websites for each of them, but I still couldn't find much English information on them.
So, for those who know better, I ask: which of these sites do you prefer? What are the state of conservation of ruins on each one? Does any of them have something special in terms of visitor experience like super on-site guides?