Where can I find...

[Scylene]

...a site that lists all the quests that give you rep with a certain faction?

I'm currently trying to gain exalted status with Orgrimmar. I know about the repeatable cloth donation quests, but I figured I would do as many npc-given quests as possible first. Anyone know where I could find this info?

[Mortshd]

Try questkeep.com
Edit: Thx piscene for the ads warning. I use firefox browser which blocks out the ads so I never notice it.

[piscene]

That site has great detailed quest listings, and if you put in the area you're questing in, it shows what the rewards will be. Just don't mind the really obnoxious ads for things we can't discuss here.

[Your Average WoW Player]

The best thing to do is to go to the Orc Starting area and start doing the quests from there. Look for any quest giver whos faction is "Orgrimmar". There's also 2 wolf (orc) mounts that you can get without being Exalted with orgrimmar, all you need is the riding lesson, bought from your race's riding instructer. You can get the Black War Wolf (PvP) or the Frost wolf (Alterac Valley specific) if you don't want to grind the rep.

[wonkey]

That site only has quests upto 60. so depends on if you have TBC.

Wowhead has a fully upto date quest sytem including faction ones for TBC.
.Hopefully wowhead is ok i know a lot of the build links are to them.