Some random goodies from the web:

• Boomp3 – web-based, no login required, MP3 sharing application. Unlike most of the other file sharing applications this one lets you browse through shared MP3s and listen to whatever you want. Add couple of Firefox or Greasemonkey addons and you’ll be able to get them on your PC.
• ChannelFrederator – ‘… world’s original cartoon podcast. We package together some of the world’s coolest and funniest cartoons sent in by you, the viewers, and serve them to you fresh each week.‘
• Metacritic – movie, DVD, TV, music, book, game reviews.
• bubbl.us – ‘Need a visual way to brainstorm your ideas? Try bubbl.us, a simple yet powerful mind mapping application.’
• Aboutmyip.com – PortScan – free online tool to scan your PC for open (vulnerable) ports
• Popular Website Demographics in photos – check out what an average user on some of the popular websites(bbc, digg, slashdot, etc) looks like
• Collarity.com – new search engine based on so called community search technology, not sure what exactly it means but works pretty well