Richard Greenfield, the media analyst with Pali Research, wrote (via New York Times):

“We expect HD DVD to ‘die’ a quick death.”

Michael Greeson, president and principal analyst for The Diffusion Group, said (via PC Mag):

“With Warner going Blu-ray only, HD DVD’s lifetime is now numbered in days, weeks at the most.”

Richard Doherty, research director at the Envisioneering Group, a market research firm in Seaford, N.Y., wrote (via New York Times):

“The overwhelming industry opinion is that this decides the format battle in favor of Blu-ray”

Robin Harris, an analyst with Data Mobility Group says (via PC World):

“I think the war is over. HD DVD has lost. It really is game-over for Toshiba and the other vendors”

Michael Bay, director of Transformers, wrote:

“Well another studio down. Maybe I was right? Blu ray is just better. HD will die a slow death. It’s what I predicted a year ago.”

UPDATE: Added Robin Harris Quote