discuss:
http://www.engadget.com/2010/04/29/audiophilleo-1-usb-audio-to-s-pdif-converter-is-really-high-end/
http://www.audiophilleo.com/default.aspx
Looks nice. If I was more into converting my vinyl to 24 bit I'd be all over one of these (when I had an extra $900 lying around).
I'm happy with just recording vinyl that I pick up to my FR2LE.