Top 20 albums of all time

Here's the list the Yahoo article cited. Interesting formula they used. Kind of heavy on the 1970s and 80s.

#20. Faith - George Michael
Play Album
Year: 1987 Units Sold: 10 Million
SPV: $9.19 Rating (Stars): 4 Grammys Won: 1
Calculated value per unit based on the formula: $9.79

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#19. Appetite For Destruction - Guns N' Roses
Play Album
Year: 1987 Units Sold: 15 Million
SPV: $8.81 Rating (Stars): 4 Grammys Won: 0
Calculated value per unit based on the formula: $9.81

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#18. Purple Rain - Prince
Play Album
Year: 1984 Units Sold: 13 Million
SPV: $8.74 Rating (Stars): 4.75 Grammys Won: 2
Calculated value per unit based on the formula: $9.82

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#17. Houses Of The Holy - Led Zeppelin
Play Album
Year: 1973 Units Sold: 11 Million
SPV: $9.10 Rating (Stars): 4.5 Grammys Won: 0
Calculated value per unit based on the formula: $9.93

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#16. Born In The U.S.A. - Bruce Springsteen
Play Album
Year: 1984 Units Sold: 15 Million
SPV: $8.91 Rating (Stars): 5 Grammys Won: 0
Calculated value per unit based on the formula: $10.29

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#15. Nevermind - Nirvana
Play Album
Year: 1991 Units Sold: 10 Million
SPV: $10.07 Rating (Stars): 4 Grammys Won: 0
Calculated value per unit based on the formula: $10.67

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#14. Van Halen - Van Halen
Play Album
Year: 1978 Units Sold: 10 Million
SPV: $10.23 Rating (Stars): 4.25 Grammys Won: 0
Calculated value per unit based on the formula: $10.84

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#13. Rumours - Fleetwood Mac
Play Album
Year: 1977 Units Sold: 19 Million
SPV: $9.52 Rating (Stars): 5 Grammys Won: 1
Calculated value per unit based on the formula: $11.47

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#12. The Wall - Pink Floyd
Play Album
Year: 1979 Units Sold: 23 Million
SPV: $10.20 Rating (Stars): 4.75 Grammys Won: 1
Calculated value per unit based on the formula: $12.51
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#11. The Joshua Tree - U2
Play Album
Year: 1987 Units Sold: 10 Million
SPV: $11.50 Rating (Stars): 4.5 Grammys Won: 2
Calculated value per unit based on the formula: $12.54
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#10. Metallica - Metallica
Play Album
Year: 1991 Units Sold: 14 Million
SPV: $12.08 Rating (Stars): 4.25 Grammys Won: 1
Calculated value per unit based on the formula: $13.38
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#9. Led Zeppelin - Led Zeppelin
Play Album
Year: 1969 Units Sold: 10 Million
SPV: $12.83 Rating (Stars): 4 Grammys Won: 0
Calculated value per unit based on the formula: $13.60
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#8. Hotel California - Eagles
Play Album
Year: 1976 Units Sold: 16 Million
SPV: $12.00 Rating (Stars): 4.75 Grammys Won: 0
Calculated value per unit based on the formula: $13.81
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#7. The White Album - The Beatles
Play Album
Year: 1968 Units Sold: 19 Million
SPV: $12.00 Rating (Stars): 5 Grammys Won: 0
Calculated value per unit based on the formula: $14.39
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#6. Led Zeppelin IV - Led Zeppelin
Play Album
Year: 1971 Units Sold: 23 Million
SPV: $12.42 Rating (Stars): 5 Grammys Won: 0
Calculated value per unit based on the formula: $15.44
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#5. Abbey Road - The Beatles
Play Album
Year: 1968 Units Sold: 12 Million
SPV: $14.94 Rating (Stars): 4.25 Grammys Won: 1
Calculated value per unit based on the formula: $16.23
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#4. Physical Graffiti - Led Zeppelin
Play Album
Year: 1975 Units Sold: 16 Million
SPV: $14.31 Rating (Stars): 4.75 Grammys Won: 0
Calculated value per unit based on the formula: $16.38
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#3. Thriller - Michael Jackson
Play Album
Year: 1982 Units Sold: 27 Million
SPV: $13.49 Rating (Stars): 4.5 Grammys Won: 4
Calculated value per unit based on the formula: $17.39
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#2. Dark Side Of The Moon - Pink Floyd
Play Album
Year: 1973 Units Sold: 15 Million
SPV: $16.08 Rating (Stars): 5 Grammys Won: 0
Calculated value per unit based on the formula: $18.57
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#1. Songs In The Key Of Life - Stevie Wonder
Play Album
Year: 1976 Units Sold: 10 Million
SPV: $16.84 Rating (Stars): 5 Grammys Won: 2
Calculated value per unit based on the formula: $18.71

http://new.music.yahoo.com/blogs/yradish/15499/the-top-20-albums-of-all-time-for-real