In my case the rear ROH Drift R wheels with an offset of 52mm would interfere with my rear struts. The 7mm spacer would push it out to about a 45mm offset.
To answer your question, I believe it would be both in terms of both looks and possibly handling.
hi to all at 986forum.com i thought i had sent this newyears eve but it didnt send so i have sent it again all things good for the new year to all of you
- gentas