Those of us yearning to bring Huawei's Ascend D Quad on summer vacation will have to file that dream away for next year. The company's consumer division chief, Yu Chengdong, has pushed back the phone's volume production from this month to August. Blame for the setback rests squarely on that custom-developed K3V2 processor -- there have been "technical problems" getting it ready, if we go by Huawei's less than precise explanation. The timing certainly isn't what we'd call ideal: now that the Galaxy S III and