I run a 1.6TB RAID 5 server on which I`ve ripped to original format 16/44.1 .WAV files (and companion VBR .MP3`s) my entire 1300 CD collection.
The only platters that enter a player are the DVD-A`s or SACD discs. All others are played back via Foobar2000 (on a PC) doing 16/88.2 upsampling into the 568. Sounds absolutely great.
Having playlists is a godsend.

Jonathan
My System