I lived in Paris for many years and never noticed all these nice tubes because I was used to them.
Recently a Canadian friend of mine who was there for her vacation told me that she was surprised to see so many neon signs in Paris. She didn't expect that in an old classic European city and I had to agree that a lot of shops, bars, restaurants, etc. have their small neon sign.
BTW there's a French music video from 1993 that shows a lot of Parisian neon signs (all the lyrics are represented by the signs):
http://www.youtube.com/watch?v=VwhgMGhT-mQ