Get a good used DAC, and good BNC coax cable and a Synchro-Mesh reclocker to reduce jitter of your transport. For digital, reducing the source jitter is actually the most important thing:
http://www.audiocircle.com/index.php?topic=154408.0
Used DAC - $1000
Coax Cable - $275
Synchro-Mesh, OTL - $699Once you have this, you can think about getting a network solution, like a Sonos Connect for $599. This can be easily added in. Then you can rip all of your CD's and play them from any computer.
Steve N.Empirical Audio