Ive worked with the glass from the start just to avoid making new glass , I have two backups up my sleve though , Ive seen glass being cut with a high pressure water jet but would have to look more into that to see if it can be done on toughened glass .
And also theres a german car "Opel" that has a nice shape rear windw that looks like its on a factory modified fb ek and it could well be- considering the link between opel and holden right through the ranges.
But in saying that ,I am happy with the look now ,I like how its visually flattened the rear screen because its the depth of it that bothered me , 55-57 chevies have a broader curve than fb eks to start with (would love to see a pic of that one Mick) .
Jase I like your approach

,the only thing that isnt modified is the rear glass although its been laid forward some ,so possibly ive been thinking the same thing "You will never be original , not even one part of you"
Thanks for your thoughts Thommo , I had never considered it from that angle before and I spent some time thinking and looking and trying a few diferent things .
On the 58 Chev which is a 2 door post ,it has a stainless trim that covers the door frame .
I might be able to use it or find something that works to put the front part of the window frame back on the door to support the glass or if I use a flipper window to support it . it will thicken the look of the A pillar and add some balance to the c pillar , sounds good to me
Some things look awesome from the front 45 degree ,then I walk to the back and its nowhere near the mark , sometimes acheiving good balance is real tough but then time away and a rethink usually works out .
Notice in the last pic there is a hole in the quarter panel .... Ive moved the quarter forward an inch and up an inch to thicken up the overall look of the body.
The wheel and tyre combo is balanced to the body and wheel arch sizes ,Ive corrected the front arch and Im still cosidering how much to add to the length of the rear arch but since moving the rear quarter panel it just seems to fall into place .
Its hard to explain how Im studying the look and sometimes cant pull the balance in because im not sure where the inbalance lies ,it can be simple and im not seeing it from the right perspective or it can be a culmination of a few different things .
When you think the shite out of things you can wonder if your still on the mark or if your creating something ugly but you cant see it .
So i realy apreciate the input from the forum ,sometimes gives me the sheets waiting on or not receiving a reply but thats the nature of the beast hey

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Thommo your point is right on the buzzer , didnt see it , hadnt considered it and thats what it was ,,cool
Easily distracted angle manipulator extrordinaire.