I started watching this about a year ago and could not get through the first episode, since then I have made a number of attempts to watch it but for some reason just could not get interested. I finally made it past the first episode (at the time of writing this I am on season 1 episode 8). The acting is brilliant, especially Cloris Leachman. I have always liked her but in this show she is the best. Martha Plimpton, I was never her biggest fan but here she shines, she is a great actor.
This must be one of the funniest shows to come out of the USA in years, it is a shame that it lasted only 4 seasons but I am only on episode 8 and have 80 more to go, wonder if it will get better ? I hope so.
UPDATE: Have now watched up to half way through season 2. Unfortunately I think that the story-lines are getting a bit thin and verging on the ridiculous. I still think the acting is great and getting better but the actors efforts are being let down by the falling writing standards.
More to come.