Apple’s popular iPod digital music player is in short supply in many markets in the US and UK, according to the Financial Times. “Most stores in New York have sold out of the larger capacity models and do not expect to get more before the holidays… shortages are forcing many Christmas shoppers to hunt around or settle for one of iPod’s many imitators. While most rival machines cost less, aficionados consider them to lack the vital quality of ‘coolness.'”