BEST
1. Theme Idea
somehow a brilliant choice since it offered alot of versatility (there are just millions of movies out there) and at the same time allows relatively good comparison for the judges, thanks to the resemblance to original thing i guess?
2. Organisation
you´ve increased quantity and quality (sponsors/prices/participants).. i can imagine with this its organisational work gets heavier too, but from what i can tell everything went flawless like f.e. with quickly answering questions, coming up with solutions or help, etc.
WORST
1. Theme Idea
as brilliant as doomed maybe, since its just recreating others work after all and nothing which requires much own ideas, originality and imagination
2. That sampson and racer445 didnt finish theirs 
Nah.. that there were so many WiP threads, but only around 1/6 of them finished. Thats probably just life, at least nothing to worry or to blame on the competition itself. but its interesting to think about the bigger reason (looking at given data as a study/experiment)... anyway i guess thats an important issue if someone´s young and plans to join in the game industry fun, train your vision and scheduling tasks skill !