Buy one you are interested in. You and your family will enjoy it! I own several and modded two of them.
If you really want to know more, visit the reddit site.
https://www.reddit.com/r/Arcade1Up/
You are going to find 50% of the people will say no and the other 50% yes.
They are not collectibles. They will go nicely in any arcade room setup.
The average person could care less if they are a real size or not.