The DigitalTrends crew has posted a roundup of all of the major digital music services available to consumers today. Seven services are included their review, ranging from iTunes to Walmart. I personally like Amazon.

"Helping illustrate just how prolific music's online presence has become, remember, three years ago MySpace and Facebook were barely twinkles in their parents' eyes. Now, they're giants just starting to dip their toes into the record biz, either directly or indirectly, and act as vital showcases for so many bands, signed and unsigned alike."