TOKYO — Masaya Igarashi wants $200 headphones for his new iPod Touch, and he’s torn between Nintendo Co.’s Wii and Sony’s PlayStation 3 game consoles. When he has saved up again, he plans to splurge on a digital camera or flat-screen TV. There’s one conspicuous omission from the college student’s shopping list: a new computer. The PC’s role in Japanese homes is diminishing, as its once-awesome monopoly on processing power is encroached by gadgets such as smart phones that act like pocket-size computers, advanced Internet-connected game consoles, and digital video recorders with terabytes of memory. ‘A new PC just isn’t high on my priority list right now,’ said Igarashi, who was shopping at a Bic Camera electronics shop in central Tokyo and said his three-year-old desktop was ‘good for now.’ ‘For the cost, I’d rather buy something else,’ he said. Japan’s PC market is already shrinking, leading analysts to wonder whether Japan will become the first major market to see a decline in personal computer use some 25 years after it revolutionized household electronics — and whether this could be the picture of things to come in other countries. ‘The household PC market is […]