Get your hands on a used B&K pre like the 5 or 10. They are very inexpensive and sound amazing. The only downfall with B&K is quirky remotes.
The other option is an external DAC. The NAD is built very well as a transport. Have you tried any other players? See how a $200 philips, sony or jvc compare?
The other option is an external DAC. The NAD is built very well as a transport. Have you tried any other players? See how a $200 philips, sony or jvc compare?