Yes you could consider them all as very limited but the "limited edition series" are even more limited (about 500 pressed).
These are part of the so-called limited pressing series (more to come):
"Many code red titles didn't sell enough to breakeven. Only way to sell these type of films is to sell direct. Here is some single titles that is going to come out 2012 that I can mention. many are limited to 500 or less, so please support the release."
THE BABYSITTER/TOPLESS STORY
SEVERED ARM/SO SAD ABOUT GLORIA
PEOPLE WHO OWN THE DARK
BLOOD MANIA/LAND OF THE MINOTAUR