Acer had high hopes for 2011, but it looks like its expectations may have been a bit too optimistic. Today, the company issued revised forecasts for shipments of its tablet PCs, predicting to move between 2.5 and three million units by year's end -- down from the five to seven million it projected earlier. Acer chairman J.T. Wang expects current quarter notebook shipments to dip by ten percent from their Q1 levels, before stabilizing or slightly increasing during Q3. According to the n
