Many Hong Kong resellers have sold out of the new iPod mini, but Apple Computer remains tight-lipped on when more supply of the digital music player will be forthcoming. The iPod mini went on sale in Hong Kong last week. Several stores reported selling out within a matter of hours. 'We sold everything we got in minutes and we have backup orders of more than 450,' said Dennis Ng, manager of the Designer Group in Causeway Bay. New Vision director Fred Lau said the store had stopped accepting pre-orders for the popular device. 'We simply cannot guarantee anything to anybody. We got 50 new iPod minis on the first day and they were gone in two hours.' Apple is working to speed up output but will not say why production is taking so long. A scarcity of micro hard drives supplied by Hitachi is said to be the reason for the delay. Asia Pacific marketing director Tony Li said: 'We are working hard to fulfil demand. It is very difficult to predict when supply and demand can be balanced, particularly when the demand keeps increasing.' Demand for the iPod mini has benefited other music devices. Sammy Chan Ka-hei, manager of Hill Star Microsystems at the Mongkok Computer Centre, is doing a brisk business in inexpensive MP3 players. 'I sell about 800 or 900 MP3 players a month now,' he said. But this will not satisfy music fans who want nothing but an iPod. Francisca Larrain, a student from France, was hoping to buy an iPod mini but will return to Paris empty-handed. 'It will be even more difficult to get one in France,' she said.