Thinkquest site on Homer's Iliad and Odyssey
Carlos Parada's Trojan War page
Lots of links on classical epic
(the most useful ones are in the Homer section; my favorite is Homer in a Changing Tradition)
An interview with Robert Fagles about his translation of the Odyssey
A follow-up forum to that interview, where Fagles answered e-mailed questions about the epic
A study of the problem of authorship of the Homeric poems