I'm glad you brought this up! I can tell you that Season 1 will be ending with the release of Game Update 2.7. We are currently working on a blog for you all that will outline all the other information about the end of the season, including the rewards (and none of them are fireworks ). Look for this to be up by the end of the month.
That's all I can share currently, but if I get anything else, I will make sure to post it for you.
tait said he reads the pvp section everyday. I think he has our back for the most part