Perforated headliners

Good evening Gentleman,

I'm working on restoring my first car (purchased 18 years ago) a 66 barracuda. I am going to install a new headliners and I'm sure I will have more questions about how to do that properly but first off do I want a perforated or non-perforated headliner? I had a perforated one, but I was thinking the non-perforated might have a cleaner look. I live in Colorado and I don't think mosture will be an issue, but what other benifits might I be unaware of?

Thanks all.