You think that the Alternate Constitution is a graceful looking ship , it's awful, everything about it is bad.
You want graceful look no further than the sovereign Class
Goodness me, that ship is blood awful, and the figs are , I'll grab some phaser pieces or something, or any saucer bits and MOC a ST Ship for my self, it's only the 2009 film though, so there's only really 2 ships that they can build without making them up or going for obscure 3 second ones.
I think you should add this pic to your first post, showing how much you've improved on the TLG model.
As for the width issue, after seeing the graph you posted it appears that it's not that much of an issue now.