Here's a sort of list of goods and bads...
Good:
-Tons of skills
-Nice battle system
-Tons of Peoples
-Good community
-9 classes covering all the basic needs of an mmo and a second job change making even more classes
-pets, great pet system
-mounts
-Great graphics
-FREE FOREVER
Bad:
-Ok this is a big one TONS OF LAG
-Everyone looks the same since there are only 2 kinds of armor for 1 class
-Leveling becomes a little hard but not frustrating
There are a few more good and bad things but this is making me bored.... lol

I recommend Rappelz to anyone just expect some lag...
8/10