The Eladrin stat choices seem to be +2 Int and then Dex or Cha.
This means the stat bonuses are in line for Fey pact warlocks. This makes me happy.
When Sarah Darkmagic is asked about how the Skill Challenge is "different," she replies:
Design & Developments pt 2 on Thetomeshow.com has the 2nd half of the gencon presentation.
The Eladrin stat choices seem to be +2 Int and then Dex or Cha.
Don't know if that was brought up yet.