According to last.fm, my most played albums this year were:
1. Jay-Z – The Blueprint 3 (2009)
http://www.last.fm/music/Jay-Z/The+Blueprint+3
2. Plan B – Who Needs Actions When You Got Words (2006)
http://www.last.fm/music/Plan+B/Who+Needs+Actions+When+You+Got+Words
3. Cast – All Change (2003)
http://www.last.fm/music/Cast/All+Change
4. Broken Bells – Broken Bells (2010)
http://www.last.fm/music/Broken+Bells/Broken+Bells
5. Jethro Tull – Stand Up (1969)
http://www.last.fm/music/Jethro+Tull/Stand+Up+%5BBonus+Tracks%5D
6. Elastica – Elastica (1995)
http://www.last.fm/music/Elastica/Elastica
7. Plastiscines – About Love (2009)
http://www.last.fm/music/Plastiscines/About+Love
8. Catherine Wheel – Ferment (1992)
http://www.last.fm/music/Catherine+Wheel/Ferment
9. Laura Marling – I Speak Because I Can (2010)
http://www.last.fm/music/Laura+Marling/I+Speak+Because+I+Can
10. Massive Attack – Heligoland (2010)
http://www.last.fm/music/Massive+Attack/Heligoland