It turns out music blogs are chock-full of great MP3s, but if you're like me you don't have much time for reading music blogs and downloading song files. Enter the Hype Machine, a music blog aggregator. It watches all of the best music blogs and gives you their MP3s in easy-to-digest formats: Podcast, .m3u playlist, or a pop-up Flash player for listening in your browser. I'm partial to the Flash player because it has links to the original blog posts as well as albums for purchase at Amazon.com. There's also a handy search feature, so the next time a friend tells you, "You've got to check out Avant Garde Dark Cabaret Harmonium Quintet of Love!" there's a good chance you find some of their tracks as well as some informative blog commentary.