I love Turntable. You can upload your own music if it's missing from their library. And they have an iPhone app that is nearly feature-paired with the web ver

I love Turntable. You can upload your own music if it's missing from their library. And they have an iPhone app that is nearly feature-paired with the web version. Plus they were the first app to make possible live sharing DJ queues on the web (right?). Thanks Turntable folks!