Parts 4, 5 and 6 being released from Echo Bridge
According to DVDEmpire, Echo Bridge is releasing DVDs of 4, 5 and 6 as well as a triple feature DVD containing those 3 films on July 12th of this year.
http://www.dvdempire.com/Exec/v4_item.asp?item_id=1575205
http://www.dvdempire.com/Exec/v4_item.asp?item_id=1575193
http://www.dvdempire.com/Exec/v4_item.asp?item_id=1575196
http://www.dvdempire.com/Exec/v4_item.asp?item_id=1575201
No word on any bonus material apart from the videozones, but judging from the last Full Moon DVD releases Echo Bridge released, I doubt they'll have any bonus material apart from the videozones and they'll most likely be in pan and scan.
Just wanted to let you guys know.