Rackham Entertainment are having a clearance sale from April 9th to May 9th, 2010.
From their announcement:
Get 50% off all references released before June 2009:
Unit Boxes, Attachment Boxes, Hero Boxes: boost your AT–43 and Confrontation armies in the Rackham Store!
Check out the new releases from waves 17 & 18 with 10% off:
Unit Box Wamphyrs, Hero Box Ejhin de Vanth, Hero Box The Gorgon, Hero Box Melmoth, Hero Box Rhéa de Brisis, Unit Box Cog Recon Strider (Multi Weapons), Unit Box Stalkers.