Amazon offers downloads of a selection of Greatest Hits and Best Of MP3 albums for $3.99 each, as listed below. That's the lowest price we could find for many of these DRM-free albums. Some notables:

• Jay-Z's The Hits Collection Volume One Deluxe Edition for $3.99
• Elvis Presley's 30 #1 Hits for $3.99
• Guns N' Roses' Greatest Hits (pictured) for $3.99
• Rush's Gold for $3.99
• George Strait's Best of George Strait Deluxe Edition for $3.99
• browse more Greatest Hits and Best Of albums at Amazon