I downloaded sooo much good music over the weekend from http://www.emusic.com/. Emusic has all the independent stuff you won't find on iTunes, and much of the music that you will. AND its cheaper. I have the basic subscription service - $9.99 per month for 30 downloads, plus you get 25 downloads free for joining. I've racked up downloads, so this weekend was a spectacle - I dowloaded new Bebel Gilberto, Federico Aubele, Welder, Beck, Ghostland Observatory and Gogol Bordello. Eclectic, awesome mix.
If you want to join, email me or post a comment - if I refer you, you get 50 free dowloads, and so do I. Good stuff.