[SPOILERS!!!!]
The series spent WAY too much time stuck at the farmhouse. If they had followed the pacing of the comics, they might have spent 3-4 episodes there, instead of a season and a half. I\'m not saying they automatically fail by deviating from the comics, but by any measure the pacing of season 2 was unnaturally slow.
In any case, they are now on to the prison, which is where things get really interesting. Also, thank god Shane is dead. What an annoying character!