I flew from KUL to Hong Kong in early July 98. The flight was on a CX330. It was fine, apart from one ear of my headphones was dead. The plane B-HLK, seemed to be in good working order apart from the strange clunking noise that the undercarriage made. I've more recently heard that both 330s and 340s have the same strange noises.
My only problem with the flights (I flew back to Malaysia) was to do with the teething problems of the new airports.