I don't read a whole lot of fanfiction anymore, but I might take a look.
And yeah, I think the idea of making Discord Starswirl would give the show MAJOR story awesomeness points, I love the idea of a little baby Discord.
I like my friend's theory of how there used to be a lot more draconequui and alicorns thousands of years ago in their world, but there was a massive war between the two species that killed off most of the draconequui. So Discord is one of the last - possibly THE last - one of his kind. Even my draconequus OC that I made as Discord's adopted son wasn't always a draconequus - he used to be a pony colt until he was transformed by a horde of Windego-like animals and Discord found him after he was abandoned by his family.