I think it is a matter of personal choice, and whether you want to got with wide 5, or porsche narrow 5 wheels. Have a look on this thread below and see what you like! You can also choose between reproduction wheels, or original 60s/ 70s wheels, and it depends on how much you want to spend.
http://cal-look.no/lounge/index.php/topic,56.0.htmlregards, Simon.