It is understandable, making new engine is power hungry process. But I may point even if some people are angry, they shouldn't be. It is up to ED's own sake to delivery it as soon as possible. As any business company it wants money too. The slower pace of progress, the worse prognosis for the future, costs grow as well. They understand it as well.
So there is nothing left, but just to wish no any BSODs and crashes inside bureau.
If not Edge, maybe MiG-21 will be on x-mas, it'd be goood ^^