A recent study by DisplaySearch suggests that, now the high definition disc format war is over, cash-strapped Blu-ray manufacturers have cut back on advertising in the US. "The biggest, most obvious [reason] is there is less competitive pressure to push [Blu-ray] right now," said Paul Erickson, director of high definition and DVD at DisplaySearch. "There is not as much pressure to turn in a strong performance, and they can look to stabilise the dropping of prices."...