This shows the inventory of the gal who sells components for the last 10 skill points when leveling Inscription. They are used in the iLevel 346-359 relics made by Scribes and as far as I know are only found on this vendor. As you can see they aren't cheap. I'm not sure if there's a faction discount either, I didn't take note of what group was controlling the town. The items when I checked them were not bound in any way and could be freely traded. That may not remain the case when Cataclysm launches. If it does, I suspect players who level sooner will start selling them on the auctions at a mark-up to other players who don't want to play their Scribe. This vendor will end up being perpetually camped if that situation occurs, so be prepared to deal with frequent outages here and plan accordingly.