So unless you have had your head in the sand you wll know by now that Toshiba has canned the HD-DVD format and the Sony backed BluRay was won the day (I supposed it had to win something after loosing the Betamax vs. VHS video tape battle)
Anyway the good people over at reghardware have written an Obituary: HD DVD 2002-2008.
It makes a really good read, check it out: http://www.reghardware.co.uk/2008/02/19/ft_hd_dvd_obit/