&ldquoThe saddest thing I can imagine is to get used to luxury.&rdquo Charlie Chaplin said that, apparently. Well, I don&rsquot know, Charlie... Too bad Dubai &mdash as we know it now &mdash wasn&rsquot around then. Like the one-minute lift ride, the city sets the bar so high that luxury appears to be something that simply is, not something that needs getting used to. Strolling into the nearest Dior or Burberry or Louis Vuitton to shop for the current collection is how one spends one&rsquos coffee break in Dubai. To really get people&rsquos attention, you&rsquod have to drop a more interesting piece of news, such as &ldquoI was at the helipad dinner yesterday.&rdquo This might elicit the question &ldquoSo, how&rsquos the view from the top of Burj Al Arab&rdquo The AED10,000 (Rs 1.63 lakh)-a-head charity dinner planned for mid-March, a fundraiser for the United Nations food aid programme, represents a classic Dubai event spending money, feeling good, keeping the world going. A snappy comeback, Sir Charlie