I think the characters are good, and the episodes have a lot high concepts, I think the comedy is smart too, done in a ironic/non-ironic sense that makes me laugh throughout each episode. My favorite character is Mr. Triangle, who even throughout the disappointing 4th season, keeps growing as a character, in a way that's pretty interesting. Speaking of Season 4, what the hell was those first few episodes? The Sound of Earrape? A 3 episode story arc focusing on political issues that are now outdated? Luckily it does pick up again, presenting a few of the best episodes in the series, such as the funeral one, and the roommates one. Overall good show and can't wait to see Season 5, though I hope it gets back on track.