The Iliad online resources
Illustration by John Flaxman, engraving by William Blake
Picture source
Various versions of the text at Project Gutenberg
and at The Online Books Page
A list of English translations of Homer
The translation by Alexander Pope
and the illustrations by John Flaxman in Pope’s version
Translation by Ian Johnston
Translation by Samuel Butler at GreekMythology.com (which has links to other works, myths, characters and online works
A wonderful series of Essays on Homer’s Iliad at Ian Johnston’s site, covering many aspects of the work
The Wikipedia article on The Iliad
An introduction to The Iliad, complete with maps, outline, links, and other information (developed by Walter Englert for Reed College)
A guide to reading The Iliad, along with along with questions to keep in mind as you read plus a host of helpful links at the Classics Department of Grand Valley State University
Some approaches on teaching The Iliad from the Yale-New Haven Teachers Institute
Robert Fagles had an interview with The Paris Review.
Update (6 Dec 2012): The Iliad: Myth-Making Inside and Out by G.I.C. Robertson, on how the author re-shaped traditional stories for inclusion.