peppin

I finally bought my rx7, its an 87 n/a but it works pretty good, I was wondering what would be the best thing to do pending on body job, on the rear quarter panel there is some rust around the wheel well, do you suggest getting a new rear quarter panel or just body filling it over, thanks,oh and one more thing can you take the rear quarter of the one I already own and put it on that ?? thanks

..........chad