Fujifilm X-Pro1 gives me a shock

This is total BS comparison, because you comparing very specific model xpro1 with a known high quality lens to a group of unspecified "generic" FF with an unspecified lens.

What is really the FF you comparing it to? - An average old FF with average lens? A great FF with a great lens? Because with the former the comparison will work and with the later it will fail.

But on the topic, there is zero doubt the xpro1 is a fantastic camera, well standing on its own without any need for the cheap teleshoping "as good as..."