Sadly, by the time I'd seen the Season 2 finale, I was cheering on gunmen with their sights trained on her. I think it really went downhill. All the strength got wrenched out of its main character as she pursued a man abusive to her and her children. She turned into the weak stereotype the writers had hitherto avoided. I seriously was over it when the second season ended.
But somehow I managed to not take Season 3 off the Netflix queue and replace it with
Also, they've retired Malvina Reynold's "Little Boxes" intro from Season 1. They're still having various artists (Ween, Dresden Dolls) cover it, but it's a much shorter version.