Story line till Gus was interesting, my review as i felt after finishing the show.
1. Retard Kid acting was most irritating
2. Walt saying all seasons he is doing only for family is kind of over done as his wife was never portrayed understanding even once rather than she was just sleeping with her boss immediately after birth of daughter.
3. Jesse character too was not well defined as he too was not portrayed as well defined character like wasted junkie to guilt driven man.
4. DEA brother in law was just bully person acting like top notch agent interested in brewing his own beer his wife was just a filler character.
5. Super smart Jus was good but why he was inviting people under doubt for dinner ... LOL
Mike and Saul where the only character i found to be good who did justice to there roles.