These interviews are from DCcomics.com.
They're in Quicktime. I picked the best ones.
Warning: Note file sizes: they may take some time to download.
*Neil Gaiman: Sandman (26 MB)
Brian Azzarello: Batman (8 MB)
Kurt Busiek: Arrowsmith (11 MB)
*Brian K. Vaughn: Y the Last Man (12 MB)
Judd Winick: Caper (15 MB)
Mike Carey: Vertigo (15 MB)
Andy Diggle: Losers (9 MB)
*Grant Morrison (17 MB)
Jimmy Palmiotti (13 MB)
Bill Willingham: Robin (9 MB)