Games workshop put up on their website the next wave of Dark Eldar units on presale.
DE chronos/pain engine ($47ish)
DE venom ($30) This model has wych riders
DE Scourges ($25) 5 pack
Battalion box ($95) 10 warriors, 10 wyches, 3 reavers, and a raider.
They also released a photo of the Void Raven (poss release later in June)