Netbook ($250) and use the headphone out jack to go to you integrated. Just need a headphone jack to RCA converter - a few dollars at Radio Shack. For better quality, add a USB DAC (HRT Streamer II, e.g.), but with Pandora quality, the headphone jack is probably fine. If you already have a laptop, give it a try to see how you like it using the headphone jack.
