Cool, looks like we have a Controller.
The Seeker class is PHB 3 which has not been provided in the current character builder data set. The character builder details for the class are all beta / playtest.
In my copy of PHB 3, the details of all powers are unchanged (though Stinging Swarm is now called Biting Swarm). Other differences may arise as we level up. If Zambatuo did not have access to a hardcopy, it may have greatly affected his build though, as there are many more powers to chose from for the Seeker class.
Seeker is a pretty damn solid controller class. I cannot think of any other controller class which uses ranged weapons for the attack damage. I am not sure how we will best be able to protect this character from getting mobbed, but it should not be too difficult.
So does this mean that our Rogue will go off into a quiet corner and cut his wrists and quietly die in shame?
END COMMUNICATION