They've aged fine if you don't expect the effects to be 2023 effects. If you accept that they were top of the line 1978 effects, it won't bother you at all. What always made me laugh is my mother telling me how they were all dumbfounded, not by laser blasts and cool ship exteriors, but rather the introductory text moving off into infinity. I think she'd have been something like 21 at the time.