IS THAT IN THE BIBLE? (BLOG): Know Your Herods: A Guide to the Rulers of Palestine in the New Testament (Paul Davidson). Cross-file under News You Can Use.
For past posts on Herod the Great, start here and follow the links. Posts on Herod Agrippa I are here, here, and here. A post on Herod Antipas is here. Past posts on Salome, daughter of Herodias, are collected here. And for possible "composite Herods" in Luke-Acts, see here.