A new ChangeWave study suggests that the release of Windows 7 and a slightly recovered economy are helping regular PC sales at work but aren't slowing down an increase in adoption of Macs at the workplace. Dell and HP should benefit from a slight increase in corporate sales with a respective 33 percent and 18 percent companies planning to buy both desktops and notebooks from the two. Apple, however, is expected to grow at the same time: while the number of companies buying Mac desktops is remaining flat at about 7 percent, the number of those buying MacBooks has gro
