The renderings look great !!! Any one of those schemes would work just fine. If you run into any questions on your 70 , fire away, oh and post some pics of your proj. when you can..........would like to see it.
Here's one tip, if you can get your hands on a parts car second gen., do it. You can cut out the sections of damaged window channel and have them welded in from the parts car without fabbing up the contours (bends) from scratch.
Paul