ITUNES MUSIC STORE www.apple.com/itunes
HOW MUCH IS IT? 99¢ a song, with no subscription charge
WHAT IT OFFERS: More than 200,000 songs from major record labels, plus exclusive tracks from artists including Eminem, U2, Sheryl Crow and Sting
THE GOOD AND BAD: Free 30-second preview. One-click downloads to buy, not rent, a song. Portable when downloaded onto iPods. But available only on Macs until later this year
HOW MUCH IS IT? $9.95 a month for unlimited streaming plus 79¢ a song burned
WHAT IT OFFERS: About 375,000 songs from 14,000 artists. Many can be...