It really is the end of an era. About 15 years ago, CDs were the coolest thing to ever happen to music: Small, slick, portable, with instant access to songs not previously afforded on vinyl or cassette. Now the CD is yesterday's news. Album sales have dropped year after year, with surveys reporting that they dove 4.9 percent in 2006.

In a World of iPods, Will the CD Go the Way of Vinyl