I wouldn't assume it's anywhere near over.  People are learning about Ethereum every day and discovering for the first time what we've been exploring for a while now.  Several exchanges have recently enabled ETH trading and The DAO should be getting the attention of curious outsiders.  You have to be a little patient to receive a 120% ROI without any effort.  There are a lot of people yet to even discover this, give it time 

Ethstick paid out another 6 ETH just a few hours ago