We've dropped our prices a number of times, the lastest a few months ago:
https://blog.engineyard.com/2013/announcing-lower-pricing
We've plenty of customers who migrate to us when they "hit it big". It's no secret that that's where Engine Yard has been positioned for a long time.
The point of us dropping prices was so we could pass value onto our customers.
We've dropped our prices a number of times, the lastest a few months ago:
https://blog.engineyard.com/2013/announcing-lower-pricing