Another Hobo:
File Juicer sounds really exciting, but for the life of me I can't find a Windows version. Must be a Mac developer with principles :-). Any further suggestions?

Hopalong:
Thanks for that. As a non-techie Alba Extractor 0.4-dev for Windows is too scary to install, but albaextractor-0.3 is getting me lovely results for my ALBW files