Indeed, once more you have cemented yourself as THE Cardassian expert. A short but oh so brilliant look at the birth of one of the most important political entities in the star trek universe.
I went with future the first as your description of the time period and the strong feelings of Akleen and his fellow Cardassians towards the Hebitians and their faith make his decision almost understandable. (I'm personally of the theory that Alkeen and the early union where not the same as Dukat's later union. There may even have been a more humane reason for the unions founding
I do like future 2, it's a shame that the Bajorians had to go and spoil it...