Enkei Racing RPF1 Wheels Question

One last wheel question from me. I have a 09 non touring and have decided Enkei Racing RPF1 wheels. Now my question.
Should I plus 1 and do 16" (the standard touring size), they are 16x7 with a 35mm offset. They weigh 13.7 pounds
Or 17" 17x7.5 with a 48mm offset and 15.2 pounds.
Or 17" 17x8 with a 45mm offset and 15.6 pounds.
I am leaning towards the 16" if they fit. That small offset concerns me. I am sure some here have used or tried them all.