OK. So, I got the new leak-down test kit in. I ran the car to operating temp (which I hadn't done the first time around) and ran through in firing order - 1-3-4-2. I ran the test up to 100psi and I have ~0-1% loss for all cylinders. I ran through the test twice just to make sure I got the same results and it was consistent. So I would imagine that means the cylinders/rings are in good shape. Back to the drawing board...