LoTRo Special Interactive Map: http://lorebook.lotro.com/wiki/Special:Interactivemap

Dynamic Lotro Map with Fiters and Search: http://dynmap.ruslotro.com/

Lotro Wiki: http://lotro-wiki.com/index.php/Main_Page

Virtues guide: http://lotro.mmorsel.com/p/virtuefinder.html

Blog with news, tips, and guides: http://cstm.mymiddleearth.com/

Armour and weapon guides: http://lotrogear.appspot.com/

Hytbold Armour Guide: http://forums.lotro.com/showthread.php?482751-Hytbold-A-Guide-to-Rebuilding-and-Armour

Chicken run information (spoilers): http://lorebook.lotro.com/wiki/Chicken_Session_Guide

 

Traits 

What is a trait? http://lotro-wiki.com/index.php/Traits 

What the traits do for me? (last updated 2011)  http://lorebook.lotro.com/wiki/Lord_of_the_Rings_Online_Traits_Compendium

Where and what to kill: http://lorebook.lotro.com/wiki/Slayer_Deeds