Thats not accurate, Dorit doggy storyline was season 8/9 if im not mistaken, yea i agree with that one. Now i disagree about PK looking at Erika puss, that was Erika first season and it wasn't the only storyline. Plus, i liked the storyline myself. But you're entitled to your opinion. Most of the housewives fans glorify the early seasons, they do the same to ATL. Seasons 6 and 7 are the glory years of ATL, IMHO.
The show was still at its peak when Lisa Rinna and Eileen joined the cast.