I`m kind of leaning toward the first or second one.... due to it being more subtle
...less "in your face"...unless you`re going for that BAM! look.
Working on a stripe package myself...and willwren suggeted a more
toned down approach for me, sport flair with some class.
I`d have to say..with some xtra thought, that he is correct.
I see where your Dad`* suggestion come into play...
these pontiacs have body lines that your eye will follow
and your second colour should compliment those lines...at least a bit.
What may look good in one view, may clash and
look "off" at another angle or light. Everthing swoops to our grills
and your eye naturally follows that path. Don`t think I`d do the trunk though...
but hey !...just my winded 2 cents worth! Good luck!