well i guess it depends if you like the genre to start with
i would say they do sound better. the old ones sounded kind of cheap and nasty.
the newer tracks are very well made in comparison
just a few random examples. please note i have a limited knowledge of the genre
http://mp3.juno.co.uk/MP3/SF237252-01-01-18.mp3
http://mp3.juno.co.uk/MP3/SF243617-01-01-02.mp3
http://mp3.juno.co.uk/MP3/SF215511-01-01-03.mp3
http://mp3.juno.co.uk/MP3/SF175228-01-01-01.mp3
http://mp3.juno.co.uk/MP3/SF230450-01-01-06.mp3