From Joe here on the boards (Mista305). I pre-ordered them way back when and they came to just about $50 shipped for each wave of 4.
Also, some Blockbuster stores reportedly carry the figures for $14.99 ea.
I can confirm that at Blockbuster. Although I've only seen series 1. All I really want now is the Comedian. And I've only seen him at the comic shop so far.