WHERE THE LIVING IS EASY-Local residents, from left, Elaine Myden, Phil Strenkowski, Terri Friedin and Rachel Karasiuk enjoy an early morning get together at the Beanscene coffee store, a favorite Oak Park gathering spot. The community of Oak Park is a small Ventura County enclave whose residents seem to have it all. All, that is, except cityhood. And that's just how they like it.