I played world of warcraft for some time, here are some links I put in my favourites meanwhile playing. This grinding-based game can be hard to learn, so I hope it makes your life easier:
WoW Reputation guide (best ever made, updated until cataclysm)
http://www.gamefaqs.com/pc/971498-world-of-warcraft-cataclysm/faqs/53825
WoW Macro links
Learn here how to make a macro for World of Warcraft.
http://www.wowwiki.com/Making_a_macro
Translation to portuguese: http://us.battle.net/wow/pt/forum/topic/3933043967
WoW battlegrounds explained:
http://www.wowwiki.com/Category:Battlegrounds
How to travel around continents and cities in Azeroth:
http://www.wowhead.com/news=199648/traveling-around-azeroth-a-transportation-guide#kalimdor-alliance
Profession leveling guides:
http://www.wow-professions.com/profession-leveling-guides
http://www.almostgaming.com/wowguides/wow-inscription-guide
There is more than inscription in this last side, check it out!
Complete list of hunter pets in WoW
http://www.wow-petopia.com/
Complete list of mounts available in world of warcraft
http://www.warcraftmounts.com/
List of flying mounts in WoW
http://www.wowwiki.com/Flying_mounts
Complete list of titles available for your character in WoW (and how to get it)
http://www.wowwiki.com/Category:Titles
List of inscriptions you can learn with "minor inscription research"
http://www.wowhead.com/spell=61288#english-comments
Complete guides about how to build your talents, gliphs, abilities rotation and everything else for you character class:
http://www.icy-veins.com
Learn how to fish and what to get with it. Complete fishing guide:
http://www.elsanglin.com/
Realm statistics:
This one is important. My first alliance character I created in a realm dominated by horde players. It is imporant to choose a balanced world in order to keep the game experience up. You should study this statistics:
http://wow.realmpop.com/us.html
What is more important for mages? Intellect or pvp power? I found an advanced discussion in this link:
http://us.battle.net/wow/en/forum/topic/6471618076
What changed in pvp powerand pvp resilience with Mists of Pandaria
http://www.arenajunkies.com/topic/228390-mists-pvp-power-and-resilience-guide/
Understand Alterac Valley, and where the important stuff is:
http://wow.gamepressure.com/map.asp?ID=67
There are more WoW maps in the link above.
Where to get world of warcraft add-ons:
http://www.mmoui.com/
http://www.curse.com/addons/wow
Want to invade some horde cities, but never played with horde? Try it here (outdated, but handy)
http://www.wowwiki.com/Category:Horde_cities
Not sure if Mists of Pandaria is really all that people are saying around? Read this negative review:
http://www.techspot.com/review/590-wow-mists-of-pandaria/