Well japanator is slowly releasing their top 50 anime of the past decade. right now they've got 50 -> 21 covered. I'm finding the list fairly agreeable so far.
#50: Cromartie High School
#49: Ah! My Goddess
#48: Spice and Wolf
#47: Big Windup
#46: Baccano
#45: Clannad
#44: Naruto
#43: Death Note
#42: Mushishi
#41: Black Lagoon
#40: The Girl who lept through time
#39: Bakemonogatari
#38: Darker Than Black
#37: Gundam Seed
#36: Rahxephon
#35: Romeo x Juliet
#34: Ouran Highschool Host club
#33: Kannagi
#32: Moyashimon
#31: Speed Grapher
#30: Ghost in the Shell 2: Innocence
#29: Love Hina
#28: Metropolis
#27: Xam'd of the lost Memories
#26: Monster
#25: Dennou Coil
#24: BECK: Mongolion Chopsquad
#23: Rebuild of Evangelion
#22: Eden of the East
#21: Code Geass
#20: Lucky Star
#19: Gankutsuou: The Count of Monte Cristo
#18: Full Metal Alchemist
#17: Toradora
#16: Sayonara Zetsubou Sensei
#15: School Rumble
#14: Gunslinger Girl
#13: Kimi ni Todoke
#12: Nodame Cantible
#11: Genshiken
#10: Honey And Clover
#9: The works of Satoshi kon
#8: Ghost in the Shell: Stand alone Complex
#7: The works of Hayao Miyazaki
#6: Macross Frontier
#5: The Melancholy of Suzumiya Haruhi
#4: Tengen Toppa Gurren Lagann
#3: The Works of Makoto Shinkai
#2: Azumanga Daioh
#1: FLCL
50 -> 41: here
40 -> 31: here
30 -> 21: here
20 -> 11: here
though im fairly surprised by the fact that there is no ghibli stuff there.
#50: Cromartie High School
#49: Ah! My Goddess
#48: Spice and Wolf
#47: Big Windup
#46: Baccano
#45: Clannad
#44: Naruto
#43: Death Note
#42: Mushishi
#41: Black Lagoon
#40: The Girl who lept through time
#39: Bakemonogatari
#38: Darker Than Black
#37: Gundam Seed
#36: Rahxephon
#35: Romeo x Juliet
#34: Ouran Highschool Host club
#33: Kannagi
#32: Moyashimon
#31: Speed Grapher
#30: Ghost in the Shell 2: Innocence
#29: Love Hina
#28: Metropolis
#27: Xam'd of the lost Memories
#26: Monster
#25: Dennou Coil
#24: BECK: Mongolion Chopsquad
#23: Rebuild of Evangelion
#22: Eden of the East
#21: Code Geass
#20: Lucky Star
#19: Gankutsuou: The Count of Monte Cristo
#18: Full Metal Alchemist
#17: Toradora
#16: Sayonara Zetsubou Sensei
#15: School Rumble
#14: Gunslinger Girl
#13: Kimi ni Todoke
#12: Nodame Cantible
#11: Genshiken
#10: Honey And Clover
#9: The works of Satoshi kon
#8: Ghost in the Shell: Stand alone Complex
#7: The works of Hayao Miyazaki
#6: Macross Frontier
#5: The Melancholy of Suzumiya Haruhi
#4: Tengen Toppa Gurren Lagann
#3: The Works of Makoto Shinkai
#2: Azumanga Daioh
#1: FLCL
50 -> 41: here
40 -> 31: here
30 -> 21: here
20 -> 11: here
though im fairly surprised by the fact that there is no ghibli stuff there.