One of the last country's in Africa to get local access to the Internet, Eritrea still has few ISPs although POPs are now being established in larger towns. The war with Ethiopia has generated several excellent web sites, mostly created and maintained by exiles.
Web country code: er

Asmarino.com
http://www.asmarino.com/
Online community for Eritreans, with an introduction to some of the country's poets and musicians.

Ethiopia-Eritrea Conflict Page
http://www.geocities.com/~dagmawi/
An independent web site with an impressive archive of articles on the war between Ethiopia and Eritrea. A must for anyone researching the conflict.

Ethiopia-Eritrea Conflict HomePage
http://denden.com/Conflict/index.htm
Another site dedicated to the conflict, with government press releases from both sides, commentary, and articles from the OAU perspective.

Eritrea Community Online Network
http://www.dehai.org/
An interesting site covering the latest news, cultural background, and even language tutorials.