thesixtyone has a pretty good microreward system with their quests and user levels. I ended up micro-manging my next songs and listening longer on that site tha

thesixtyone has a pretty good microreward system with their quests and user levels. I ended up micro-manging my next songs and listening longer on that site than I should have... http://www.thesixtyone.com/ http://www.thesixtyone.com/