I have the contents of an audio (cdda)CD here, in which each track was converted to a Monkey's Audio .ape file. What would be the best way to burn these .ape files to an audio CD without loss? I have ...

I have a .sit file I saved on a CD and it is a Macintosh image. However, how can I best get it to CD so it is useable in OS X? I'll have an iBook when I do this, as well as my PC, but any ideas how? I ...