About reduced rewards:
I'm sorry, but reward changes were something we had to do; first of all we wanted to make tournament simpler removing 5th-6th place final, that in most cases wasn't played by players (and moreover, it was an out-of-brackets final). Second one, we couldn't mantain old rewards (above all those for more than 16 players), because there would be the risk to inflate the community with "easy" codes, since from 2015 PvP-events will have reward codes too.
Said that, with old rewards, a player who reached the final was already satisfied since he was allowed to think: "well, even if I lose, I'm gonna have my new nymph/mark". This is not the spirit we want to see in a tournament. A final has to be the match where both players give their best to win.
We know well that changes are never welcome, but we also know well you will understand and agree with us, in time.