You don't say which cd filesystem you are using on your Amiga, you can't use both AmiCDFS and CacheCDFS unless you mount the drive twice.
Anyway CacheCDFS will read the long filenames on a CD created with Nero (Joliet), if you are already using CacheCDFS you simply need to edit your preferences and enable the Joliet option for your drive. If there is no Joliet option you probably need a newer version, it is present in the OS3.9 version and should be in the latest IDEfix release as well.
If you are currently using AmiCDFS, you will need to change your CDFS since AmiCDFS doesn't support long filenames on Joliet volumes.
