Let me start by saying that WoW is a very addicting game.
This game really is a "world". Saying the map is huge is an understatement. I played countless hours and still I have not seen every zone. There are a few major cities and they are very huge and complex. You could spend about an hour just looking around a city.
Gameplay, however, annoys me a little. Sure it's fun to beat on animals, monsters, etc. But after a few hours of killing them again and again for experience (also known as "grinding"), it starts to get boring.
Starting at level 13, if you picked a Horde race, you can start going into one dungeon. I don't suggest going in at level 13, but you certainly are able to. Unfortunately, this means you need a group to go through the dungeon, and they're sometimes hard to get. However, if you are able to gather a group, you can get a lot more experience going through the dungeon than simply grinding for hours. You can also get some rare loot that can either help you money-wise or that you can use.
This is where it starts to get boring. Quests usually involve killing things or gathering things, and usually it's both.
OK, let's take a break from killing and questing for a little while. You can also have two professions, and you can make money with those professions or they can benefit you when fighting. If you picked a gathering skill, you'll probably need to fight some more. Those animals sure are protective of their herbs and ores! If you decide to simply buy the materials instead of gathering, you'll likely end up losing money instead of gaining it.
I may be complaining, but you'll pretty much be addicted regardless, so you'll be killing and killing in hopes to get your level 20 mount or new weapons or armour you have your eyes on. This game really is that addicting.
As for the graphics, some people complain that they're too cartoony. Some say the graphics are bad, some say they're good (compared to a game like RuneScape (http://www.runescape.com), they certainly are good). After seeing other MMORPG graphics, I'll say the graphics are decent. If you see a game like Aion (http://aiononline.com), you'll probably think WoW graphics are bad.
I haven't read the lore, but I know it's there. The quests also have plots. For that I'd rate the plot as great. However, it's not needed to play the game at all.
All in all, this game is worth a try if you ever feel like it. Just don't blame me if you become addicted and lose friendships, health, your job, and your life.
