Don't wanna knock the older generation. As I'm only. 22 and I'm sure you guys can align a car by eye. But use a very very nice unit at work Went to school for alignments an suspension. And I have to say the new stuff comes in handy if you know how to use it a lot more than just an alignment. Ill tell you ride height toe out on turns all kinda of trick stuff. Some of it useful yea some of it useless sure but being as I'm learning on new equipment i prefer it I think it really makes for a more precise alignment.
Ps not bashing on the old schoolers