Lord of the Rings Online

Lord of the Rings Online is a MMORPG, Massive Multiplayer Online Role Playing Game. 

Official site: lotro.com 

European Site: lotro-europe.com 

European Forum: community site

List of good sites at the European forum.

TenTonHammer Quest Guide

Music in LOTRO

The Ringcast - a Lord of the rings online podcast.

Under the banner - a nice LOTRO blog

Virginworlds.com - general MMORPG Site
thebrasse.com - Maps and gameguides
Great maps of LOTRO, also shows npc's and quest locations