Thanks for everyone's comments. And yes, I should have been more specific with my question. I forgot that this is an international forum. I have been learning a lot on FT on the differences between the US domestic airlines which is what I use. Trying to determine if there really is a big difference between them and lounges/clubs question is only one way of doing that. Other questions I could have asked are: who still serves real food and who offers "fast tracks to elite".

Thanks again.