@Jhon: Glad you got it going. It was a bit tricky to set up IIRC.
 
@Zo: To me, there isn't any obvious difference in sound. There is some latency and it's not a problem for me in that I use it only for playback through Windows media player or for Youtube type things in my browser.
 
It's just nice to hear things through the  ARC2 plugin.