Top 15 21st Century SF and Fantasy novels, according to Locus
These are taken from here. Bold if I've read SF(7) or Fantasy(5). I'm clearly not keeping up with my reading.
SF:
1 Scalzi, John : Old Man's War (2005)
2 Stephenson, Neal : Anathem (2008)
3 Bacigalupi, Paolo : The Windup Girl (2009)
4 Wilson, Robert Charles : Spin (2005)
5 Watts, Peter : Blindsight (2006)
6 Morgan, Richard : Altered Carbon (2002)
7 Collins, Suzanne : The Hunger Games (2008)
8 Gibson, William : Pattern Recognition (2003)
9 Mieville, China : The City & the City (2009)
10 Stross, Charles : Accelerando (2005)
11 Mitchell, David : Cloud Atlas (2004)
12 McDonald, Ian : River of Gods (2004)
13 McCarthy, Cormac : The Road (2006)
14 Harrison, M. John : Light (2002)
15* Willis, Connie : Black Out/All Clear (2010)
15* Chabon, Michael : The Yiddish Policemen's Union (2007)
Fantasy:
1 Gaiman, Neil : American Gods (2001)
2 Clarke, Susanna : Jonathan Strange & Mr Norrell (2004)
3 Rothfuss, Patrick : The Name of the Wind (2007)
4 Mieville, China : The Scar (2002)
5 Martin, George R. R. : A Feast for Crows (2005)
6 Rowling, J. K. : Harry Potter and the Deathly Hallows (2007)
7 Bujold, Lois McMaster : The Curse of Chalion (2001)
8 Mieville, China : The City & the City (2009)
9 Fforde, Jasper : The Eyre Affair (2001)
10* Bujold, Lois McMaster : Paladin of Souls (2003)
10* Pratchett, Terry : Night Watch (2002)
12 Gaiman, Neil : Coraline (2002)
13 Wolfe, Gene : The Wizard Knight (2004)
14 Pratchett, Terry : Going Postal (2004)
15* Gaiman, Neil : The Graveyard Book (2008)
15* Lynch, Scott : The Lies of Locke Lamora (2006)