"Unreal Engine 3 and CryEngine 2 cost close to
A MILLION DOLLARS
And tons of developers license them."
Then go with Unreal - however, if you donīt have the budget, then it might be not the Holy Grail for you.
And it wonīt get better, if you get louder.
The "Holy Grail" is simply the one that fits to your needs - time, quality, budget.
What Frank said - itīs all about marketing when it comes to different software solutions.
