Site includes all kinds of cool shit that you should learn about plus discographies, bios, audio files, and more. This is a collecitve of 8 different labels. There are tons and tons of artists on cramed including Howie B, Basement Jaxx, Wagon Christ, and many more. Lots of good real audio clips. Data Club Minimal techno and hard house label with artists Shinichi Abe, Monoplex, and Masahiko Hagio.
Site includes discographies as well as pics and bios of the artists.
Delta Dance Italian label with catalog of real audio samples. Mostly very fast pop-house stuff. Deviant One of the best trance labels around with artists Paul Van Dyk, The Orb, Ashrtrax, and many more. The site is mostly information, but you find info on what you want you can buy it here. Djax Records Very nicely designed site for this Netherlands label.