Pam Grier Joins Smallville As Amanda Waller

Smallville continues to bring in the comic book guest stars.  Michael Ausiello from Entertainment Weekly has reported the exclusive news that Pam Grier (The L-Word) has been cast for multiple episodes as Amanda Waller.
 
As you know, whenever she turns up, it's bad news whenever she turns up.  She will be making her debut in the two part Justice Society episodes, "Legends" set to air in January.  What do you think about this casting?  What do you think this will mean for Clark and friends?