Chaos Space Marine Models Going Out of Print?

It looks like the Chaos Space Marine line is having a few of it's more un-sightly models go out of print ala the Sisters of Battle. Havocs are no longer availalbe to order, and user Ed_Bodger over at Dakka reports that he was unable to order any raptors recently.

Could this be a slow ramp-up of pulling old models to make way for new? Are Chaos Space Marines getting another wave, or is this something more far reaching? Only time will tell.

Now if they would only run out of this guy...