Nobuyuki Hayashi for Nobi.com:
Most of Sony’s executives spends their winter vacation in Hawaii and play golf after celebrating new year. In one of those new year golf competitions back in 2001, “Steve Jobs and another Apple executive were waiting for us at the end of golf course holding VAIO running Mac OS” recalls Ando; 2001 is the year, Mac OS X shipped and I am speculating this is Intel-version of Mac OS X, they hid for four and half years since then. link
An interesting look at the relationship and mutual admiration between Steve Jobs and Sony co-founder Akio Morita.