My mom is obsessed with this show. I've only seen a few episodes, but I thought I'd still try my hand at typing some of the characters from some of the impressions they gave me.
Bree Hodge (Van De Kamp) ISFj
Lynette Scavo ESTj (some kind of Delta, or Gamma)
Gabrielle Solis ESXp (probably ESFp)
Susan Mayer not sure
Mary Alice (dead woman) - not sure