Some people have made such guides, but they sell them on the internet. If you need help on a specific quest, there are sites like WoWHead which will give you the answers you need.
And finally, if you want to get as many quests done, you can install the addon called Questhelper to get a convenient help function inside the game for it.
There are yellow exclamation points on your mini map that show where all the quests are in your area
A World of Warcraft player can expect to find all kinds of gaming news and information on Wowhead. They have products they sell, maps, spells, and quests.
One can access a reliable Alliance leveling guide for World of Warcraft on the website WOW Vault. This website contains instructions for all WOW levels.
If you are just starting out, not really, you just have to do all the quests that give Under-city reputation. If you are 78-80 you can do the argent tournament quests that will get you exalted fairly quickly.
Quest grinding is just doing all the quests that you come across. This is different that mob grinding in that you get more XP (experience) from doing quests because you get the added XP from the quest AND the xp from killing the mobs.
That feature is only active from about level 1-6. It will stop after a little while, just ignore it.
All headsets are compatible with World of Warcraft.
One can find power leveling guides all over the internet for World of Warcraft. Many such guides can be found on the Battle Net forums where the official World of Warcraft forums reside.
You start all over again on the quests
One can find a complete list of Word of Warcraft servers, on the online site called "Wowwiki". The list includes servers from all over the world including the United States, Canada, and Europe.
The best place to find a guide for the quests in the game is on their forum website. On their website, they have experienced and professional players with extensive knowledge about all quests of the game.
Playing Aion involves quite a bit more grinding than in the more commonly played World of Warcraft. The first 25 levels of Aion are filled with quests from which you can level, but as you progress in the game you will more often than not find yourself repeatedly grinding only a few repeatable quests or possibly no quests at all. The developers seem to have plans to add in more quests in the near future.