So happy to read here that updated schedules are now available on Trenitalia.
I just looked at tickets for September 8, 2016, from Varenna-Esino to Monterosso departing at 1037, arriving 1505.....super economy and economy are sold out(???) but there is a cartafreccia special rate available. I read the details, and I am still not sure if I am eligible to purchase these tickets (US citizens)?