According to Tesla's own statements, they are planning to deliver 55k this year, and their Q2 deliveries of 11,507 puts them on track (by their own estimates). I would assume some of those deliveries will be for the Model X, which is supposed to start shipping in Q3. Source: http://www.businessinsider.com/tesla-sets-a-new-record-for-c...
I'll update my reply.
http://www.forbes.com/sites/greatspeculations/2015/05/12/tes...