I would go back to the source AIFF Compact Discs and rip AAC files from them. You will lose a lot trying to convert MP3 to AAC. Better off keeping your MP3s than trying to convert them to AAC. k On Thursday, May 29, 2003, at 12:28 PM, Milner Erlank wrote: > Hi: I hope I am not covering old list ground/ I have nearly 3000 > titles in my iTunes library, all loaded by various iTunes versions. Is > there any downside in batch converting these to AAC. I know there will > be space saving and perhaps better quality from my Soundsticks set up. > Some advice on the best way of handling conversion will be > appreciated. I'm on Digest. > > Milner Erlank