• general information sites
• free legal mp3s
  bands and artists
• mp3 search engines
• streaming mp3
  online radio
• encoders and decoders
• players
• cd grabbers
• sound editing
• winamp stuff
• lyrics
• hardware
• misc and utils

• eBoz! Hot 100

For a download use rather real FTP client (like CuteFTP or the other ones) than web browser. Some sites use RATIO system, means that you must first upload some stuff if you want to download from the site.