There's no question that cloud computing has hit the mainstream -- even the US federal government, which isn't typically a front-runner when it comes to tech adoption, has taken the plunge. Now, Taiwanese hardware maker Acer, the world's second largest PC manufacturer, has just joined the ranks of the sky-high elite, purchasing Silicon Valley-based iGware for $320 million. Acer's acquisition of the little-known cloud computing firm will reportedly allow it to launch a cloud product next year, and is seen as a long-term strategic move for the tech giant. Despite its limited name recogniti