Go with foley or penn.
YOu question regarding outdated material, the answere is to take the course as they teach you the fundamentals oldschool style. You use these to build on.
FOr a quick example, Foley teask your to use the sutt from a light to mark a blank to impression. You could go high tech (i guess hi tech

) and use the black light and marker, which is mainly for at night such and so on.
Basically there all good, you want a course that is recognised, I know penn Foster is not as they siad well don;t knwo.. which is a know.
Foley as much as i bashed it is okay I would say your very safe going with that course as many many have taken it in here. Plus the thread on it is massive

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