Gartner Dataquest has come up with ten predictions for the next four years:

• By 2011, Apple will double its U.S. and Western Europe unit market share. 
• By 2010, 75 per cent of organizations will use full life cycle energy and CO2 footprint as mandatory PC hardware buying criteria.
• By 2012, 50 per cent of travelling workers will leave their notebooks at home in favour of other devices.
• By 2012, 80 per cent or more of all commercial software will include elements of open source
  
  technology.
• By 2009, more than one-third of IT organizations will have one or more environmental criteria in their top six buying criteria for IT-related goods and services.
• Through 2011, the number of 3D printers in homes and businesses will grow 100-fold over 2006 levels.
• By 2010, end users' preferences will decide as much as half of all software, hardware and
  services acquisitions made by IT.
• By 2011, early technology adopters will forgo capital expenditures and instead purchase 40% of their IT infrastructures as a service.
• By 2011, suppliers to large global enterprises will need to prove their green credentials via an
  
  audited process to retain preferred supplier status.
• By 2012, at least one-third of business application software spending will be as service
  subscription instead of as product license.