[quote="The Frenchman":ce41e]You know if any support .flac files? My AC/DC collection is in flac.[/quote:ce41e]
iPod:
Audio support AAC (16 to 320 Kbps), MP3 (32 to 320 Kbps), MP3 VBR, Audible, AIFF, Apple Lossless and WAV
[url="http://www.apple.com/ipod/specs.html"]http://www.apple.com/ipod/specs.html[/url]
iRiver:
Supports MP3, WMA, ASF, WAV and OGG music files
http://www.iriveramerica.com/products/H120.aspx
So none of them do, just find a converter, iTunes might do it, doubt it though.