In Q1 2004, PC vendors will ship 44 mil units, up 13.3% from Q1 2003, Gartner said. Consumer notebooks continue to lead most of the growth as wireless technologies improve and prices fall. PC vendors will ship 187 mil units in 2004, up 13.9% from 2003 shipments. All four quarters in 2004 should show double-digit increases in PC shipment growth as compared to the previous year. In Q4 2003, PC shipments increased 12% from the same period in 2002.