What other rear ends will work with my Dart?

I have a 67 Dart. I would like to swap out the rear end. What other rear ends will fit? Doesn't have to be a Mopar Rear end. I would like Posi and a larger lug pattern as I have the smaller 5 lug 4 1/4 I believe. I am looking for maybe a Chevy lug pattern of 4 3/4.

A mopar rear would be great too if anyone has good suggestions.

Thanks,
Mark