Among my best travel experiences ever were two overnight train trips in single compartments, from Venice to Vienna and from Budapest to Munich, both on Austrian trains. I'm very glad to hear it's they who will continue these services.
I'm glad, too, especially since that Zurich-to-Hamburg-via Salzburg route will also connect to Munich; we have a 2018 trip in planning that counts on a Munich-to-Hamburg sleeper as part of the route (Rome-Verona-Bolzano-Munich-Hamburg).
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