Some help for a noob

[Skandranon]

New question.
I've been reading some quest walkthroughs and they mention increasing your Stormwind reputation. How important is that? What does it do?
Thanks.
-A
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Reputation increases for any faction in the game tend to carry a few minor benefits. Stormwind reputation increases a lot because many of the early-game quests, especially around the Deadmines, include Stormwind rep boosts.

You begin Friendly with Stormwind. This means that Stormwind faction NPCs appear green to you (that's it). After gaining 6000 reputation points, you reach Honored reputation. At this level of reputation, all Stormwind faction vendors sell goods to you at 90% of the original cost. 12000 reputation points after that, you reach Revered reputation (carries no benefits at present) and 21000 points after that, you reach Exalted reputation, which, if you're not human, allows you to learn horse riding and buy horses (humans can do it from the start).

http://www.worldofwarcraft.com/info/basi...ation.html has more details on reputations with specific factions and the associated benefits.