One more way to access audio and video of all of the speeches at the Democratic National Convention...

Video: View All by Speaker - 2004 Democratic National Convention Official Site

Archive of John Kerry Campaign Speeches (goes back to March, 2004)

John Kerry for President - Speeches

Collected Speeches of Bill Gates (1996-2004)

via Microsoft:
Bill Gates' Web Site - Speeches: 2004

Audio & Video of all DNC Speeches:

The New York Times > Washington > Campaign 2004 > Speeches to the Democratic National Convention

An Excellent Anticipatory Article About Kerry's DNC Acceptance Speech, Referencing Past Convention Acceptance Speeches...
The New York Times > Washington > Campaign 2004 > Kerry Turns to J.F.K. Writers for Speech of His Life