What I heard this year, in rough order from good to bad: -
1. Opeth – Watershed
2. Avantasia – The Scarecrow
3. Iced Earth - The Crucible of Man: Something Wicked, Part 2
4. Testament – The Formation of Damnation
5. Amon Amarth - Twilight of the Thunder God
6. Sahg - Sahg II
7. Edguy - Tinnitus Sanctus
8. Metallica - Death Magnetic
9. Whitesnake – Good to be Bad
10. Judas Priest - Nostradamus
11. AC/DC - Black Ice
12. Ayreon – 0101101
13. Battlelore - The Last Alliance
14. Children Of Bodom - Blooddrunk
15. Firewind – The Premonition
16. Mike Oldfield – Music of the Spheres
17. Airbourne - Runnin’ Wild
18. Alestorm – Captain Morgan’s Revenge
19. Nine Inch Nails - The Slip
20. In Flames – A Sense of Purpose
21. Dragonforce - Ultra Beatdown
22. Black Stone Cherry - Folklore and Superstition
23. The Raconteurs - Consolers of the Lonely
24. Abigail Williams - In the Shadow of 1000 Suns
25. Grand Magus - Iron Will
26. Eluveitie - Slania
27. Norther – N
28. Midnattsol – Nordlys
29. Stone Gods - Silver Spoons and Broken Bones
30. Cavalera Conspiracy – Inflikted
31. Guns ‘N’ Roses - Chinese Democracy
Plenty of good stuff 






My number one is Nick Cave and the Bad Seeds - "Dig Lazarus Dig!"
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I can't compile a list as long as yours, Tom, as I prefer to physically purchase albums and didn't even buy 10 new albums. For what it's worth:
This list is based on personal enjoyment, as I don't consider myself qualified to judge them by the musical ability and songwriting on display (hey, I'm a drummer
1. Dig Lazarus Dig - Nick Cave and the Bad Seeds
2. Tinnitus Sanctus - Edguy
3. The Scarecrow - Avantasia
4. Parasite of Society - Headhunter
5. Master of Illusion - Power Quest
6. Death Magnetic - Metallica
7. Blooddrunk - Children of Bodom
8. Die Apokalyptischen Reiter - Licht
9. Prevail - Kataklysm