Both the Stereovox XV2 and Chimera Labs Advantage digital cables are within your price range and work very well with the Paradisea DAC.
For more responses you might want to ask your question at the Paradisea DAC thread on AudioCircle at: http://www.audiocircle.com/circles/index.php?topic=33534.0
For more responses you might want to ask your question at the Paradisea DAC thread on AudioCircle at: http://www.audiocircle.com/circles/index.php?topic=33534.0