61 - 65, Zangarmarsh
Last night I got to about 64 1/4 before I logged out. I'm almost halfway done with the quests in Zangarmarsh, still following the Jame's guide. I did find a possible error in the guide but most likely it's something I did wrong. While getting new quests in Swamprat Post, I hit my max of 25 quests, with 3 more I needed to pick up.
Another issue I'm having is my professions are too low to pick up anything in the areas. I have herbalism and mining but with the Death Knights leveling the professions as well, it's been hard to find nodes to pick up. Since I'm a caster I'm thinking of dropping mining on my priest and picking up alchmey for the mana pots, which I'm always in need of.
The only problem is to level herbalism high enough to start gathering in the Outlands will take a long time to gather the items in old world. I'm thinking I should just to take a break from the quest grinding and this will greatly boost my income. Since I'm 5 levels from 70, I think keeping the push will be easy, then at 70 I'll take a break and level the professions. If things are getting slow, I'll stop at 66, and level.
So far, after so many levels with the priest I'm enjoying the game. It's a good mix of damage and healing which keeps the playing exciting.