Having used Ar3, Ar4 and NXT consistently for production drawings in the last one year, I have come to the conclusion that NXT lacks precise camera controls especially for exteriors. I particularly like the controls in Ar4. Also, Ar3 does a good work of it. However, NXT has a better rendering engine. I often find myself running to Ar4 to contol and save camera views before coming on to render in NXT. Am I missing something or is it yet to come?