How Old is Your Plane?

He goes through how you can tell whether or not you are on an old plane, and lists 13 comprehensive ways of knowing (#13 is my favorite).

I have a certain nostalgia for older planes.  When I go through the Air and Space Museum in DC, I wish I could take to the air in some of the passenger planes on display.  Especially the ones that look like train cars.

Then again, I also like flying on Dash 8s, so…

What about you?  Older planes–an inconvenience, or a nostalgic trip through the sky?