Goblinworks and Paizo are adopting a subscriber model for Pathfinder Online, in a time when that revenue model is quickly losing ground and even behemoths like Star Wars: The Old Republic have been forced to adopt a F2P model.
And, just at the moment when many startup are gaining traction is also when they are most vulnerable to losing their way, to forgetting what they are uniquely about as the VCs try to fit them into a revenue model.