Don't think it's been mentioned yet but the BU release of House by the Cemetery has some pretty good extras.
From
Bloody-Disgusting
Meet the Boyles - Interviews with Stars Catriona MacColl and Paolo Malco
Children of the Night - Interviews with Stars Giovanni Frezza and Silvia Collatina
Tales of Laura Gittleson - Interview with Star Dagmar Lassander
My Time With Terror - Interview with Star Carlo De Mejo
A Haunted House Story - Interviews with Co-Writers Dardano Sacchetti and Elisa Briganti
To Build a Better Death Trap - Interviews with Cinematographer Sergio Salvati, Special Make-Up Effects Artists Giannetto De Rossi & Maurizio Trani, Special Effects Artist Gino De Rossi, and Actor Giovanni De Nava
Deleted Scene
Theatrical Trailers
TV Spot
Poster & Still Gallery
If the prospect of the HD upgrade wasn't tempting enough for a double dip then these extras pretty much seal the deal.