I'm running biab from my pc on my iphone and hearing the realtrack sound.
Here are the iphone/pc programs:
TeamViewer (lets you operate your pc programs from your iphone - free)
Wifi2Hifi (lets you listen to the sound coming our your computer by streaming it to your iphone)

The two programs work well with eachother. This makes me want to by an ipad. I wish PGmusic would come up with something like this.

Very cool!!!