Punters now generally wear polo/shirts, mocassins and normal trousers, a bit of 60/70 fashion and it's not so common to see buggies... you don't have to wear them but it's romantic in a way.
And in the end, how could you not be nostalgic with all the sh**t you see these days? Discos, concerts, music, fashions, styles, bands, magazines are all so meaningless. Youth culture declined drammatically and I don't think many can deny that