As a small shop, I don't know what I would do, but I do know this - rolling over seems like the worst option.
#1 - I'm infuriated that Apple continues to stand back and watch their developers get attacked. More infuriated that they haven't backed off of their stance that the in-app purchase is the only way to sell something in the app.
#2 - This patent is bullshit, and everyone knows it. Sometimes, you have to do what's right, regardless of the stakes.