I'll be visiting soon with a friend, and Tantris looks just like his kind of thing from the website, but I'd also love to hear suggestions for some good but less pricey places.
Originally Posted by Non-NonRev
I highly recommend Tantris in München:
http://tantris.de/englisch/aufbau.htm
I haven't had dinner in Salzburg during to festival performance times, but a good standby is the Cafe Sacher in the hotel of the same name.