Warner Home Video Ditches HD-DVDHD-DVD was dealt a major blow when Warner Home Video announced they were going to now exclusively use the BluRay High Definition DVD format. That was the last studio to hold out on making a choice between one and the other – and ironically, more HD-DVD players have been sold (excluding of course PS/3 sales) – yet the planned Cocktail Party and Event to be held on January 6 was cancelled.