Wow!
http://www.engadget.com/2008/02/19/live-from-toshibas-hd-dvd-press-conference-in-tokyo/
Q: How many HD DVD players and recorders, exactly, did you sell?
A: 600,000 players in the US -- 300,000 of which were Xbox 360 HD DVD drives. 100,000 units were sold in Europe. And about 10,000 players and 20,000 recorders in Japan. So about 730,000 units worldwide.
http://www.engadget.com/2008/02/19/live-from-toshibas-hd-dvd-press-conference-in-tokyo/