The Salon Interview: John Updike
http://www.salon.com/08/features/updike.html
A fascinating interview in which Updike discusses, among other things, his views on film and the ways in which this medium relates to his writing.
Life & Times: John Updike
http://www.nytimes.com/books/97/04/06/lifetimes/updike.html?_r=1&oref=slogin
A terrific resource with links to Updike's short pieces, reviews, interviews with the author, and even audio files (requires viewers to sign in).
John-Updike.com
http://www.achievement.org/autodoc/page/upd0bio-1
Includes a biography of Updike, an interview, and a photo gallery.