It's pretty much a guarantee that there will be an influx of <insert whatever new race> in any MMO. It may or may not level out in time. Same with new classes.
"Song dogs barking at the break of dawn, lightning pushes the edges of a thunderstorm; and these streets, quiet as a sleeping army, send their battered dreams to heaven."
Hipparion Tribe (Sagolii)Â - Â Antimony Jhanhi's Wiki