Try and define the Oughties via its music
Top 100 albums
Search https://www.google.co.uk/search?q=Albums+of+the+Decade
Mainstream http://www.nme.com/list/albums-of-the-decade/158049
Mainstream http://www.guardian.co.uk/music/series/albums-of-the-decade
American http://www.rollingstone.com/music/lists/100-best-albums-of-the-2000s-20110718
IDM http://www.discogs.com/lists/FACT-100-best-Albums-of-the-Decade/7757
IDM http://www.residentadvisor.net/feature.aspx?1144
Pitchfork Readers  http://pitchfork.com/features/staff-lists/7710-the-top-200-albums-of-the-2000s-20-1/
List of Lists http://www.metacritic.com/feature/best-albums-of-the-decade-a-roundup-of-critic-lists

Kid A - Radiohead, Is This It? - The Strokes, Funeral - Arcade Fire. Not sure why I find that vaguely depressing. ;)