InstallShield .cab files comparison

Has anyone been able to compare the contents of an Installshield .cab file? I don't seem to be having much luck, since Installshield has chosen to not support the Microsoft standard. Any help or suggestions would be greatly appreciated.

Thanks,
Rick

[Craig]

I haven't looked into it too much, but I don't expect BC to support this any time soon. I don't know if the formats are at all similar, but we're using Microsoft's DLLs anyway, so we couldn't support it unless those are updated or we wrote an entirely new library for it.