Thanks Headwhacker. It's nice to have a common sense answer- and yes, actually I would prefer to know right away that my rips are bad. At least that way, I can re-rip to make a good file.

"ALAC does not have error handling while FLAC does.   It means, if the hard drive is corrupted/damaged and files got damages... Well, FLAC will play parts that are not damaged, while ALAC won't play ANY information."       I've read about ALAC lacking in error detection. But here's a...