In a couple of years the smart accomm operators – Accor Novotel, Marriott Le Meridien, InterContinental etc – will bring class and sensibility to Cambodia’s coastal playground. Meanwhile, it’s all Chinese-only casinos and rubble. They didn’t have to bulldoze the little guys: the shorefront bars, eateries, and US$10-US$20 a night guest houses; there’s 100km of undeveloped coastline.   Anyway, “Cheers” and Choum reap lear…