EVA Air's Business Class seat is a generation behind and badly needs an update, though its excellent soft product helps compensate for some of the shortcomings.
STARLUX offers a stellar long-haul Business Class product with excellent catering, though there's work to be done on the inflight entertainment selection and Wi-Fi.
ZIPAIR Full Flat is probably the best "premium LCC" experience out there, with free Wi-Fi, entertainment and in-seat power offsetting the usual nickel-and-diming annoyances