Hewlett-Packard still number one PC manufacturer but Acer close on its heels . - According to US consultants Gartner, the Taiwan PC manufacturer, Acer, had more product volume in Europe, the Middle East and Africa, overtaking Hewlett-Packard (HP) in the first quarter of 2010 Acer produced 5.789 million units (+53.6% over a year), slightly more than its US rival. At a global level, HP remains top in market share with 18.2% in the first quarter 2010 (15.3 million units sold) as opposed to...