Release Date: March 23 (DVD).
The Reeds and Hidden: Trailer only.
The Final: "Features an audio commentary with the producer and director plus behind the scenes footage and a deleted scene (Shock)."
Kill Theory: "Includes the featurette "Kill Theory: Behind the Scenes," plus two alternate openings and a deleted scene (Shock)."
Pre-orders are being taken, currently, by Amazon:
More details on the DVD release of the Horrorfest 4 releases at Shock Till You Drop:
Horrorfest DVD Details at Shock