Gamasutra's History of Zork does a nice job of discussing the history of Zork and offers new interviews with Marc Blank, Dave Lebling, Steve Meretzky, Nick Montfort, and Howard Sherman. The full text of those interviews, along with David Cornelson's interview that was left out of the article, is at the Armchair Arcade.
David Kinder has tweaked his AGT and Magnetic Scrolls interpreters for Windows to work better under Vista. The AGT interpreter and the Magnetic Scrolls interpreter are available from the IF Archive.