I agree, Max works well for this. Besides AIFF, Max can convert FLAC files to Apple Lossless and other formats that will work on an iPod.
I have converted both 24/48 and 24/96 purchased FLAC files to Apple Lossless for playing through iTunes at better than CD resolution.
I have converted both 24/48 and 24/96 purchased FLAC files to Apple Lossless for playing through iTunes at better than CD resolution.