It's a lot less than previous years. Whenever I've been, I've always found several bands I wanted to see each day. This year there's four in total. Most people I've spoken to have only found a very small number of bands they'd want to see.
Usually the Left field stage is my favourite for headliners, almost guaranteed punk but not this year.
It's not a music was better in my day thing, a very large proportion of the bands there are from my youth and its the newer bands I enjoy more.