Market intelligence company, IDC is predicting an increased slow down of PC shipments for 2015. So much of this is linked to Windows OS and, i'm certain, the uptake of Windows 8 and 8.1 playing a factor, with many holding off and waiting for Windows 10. Also, it's clear that growth in mobile products is having an impact. Users are choosing mobile/portable products and surviving on those.

Worldwide PC shipments are expected to fall by -4.9% in 2015, a drop from the previous forecast of -3.3%, while growth projections for 2016 and 2017 were raised slightly, according to the International Data Corporation (IDC) Worldwide Quarterly PC Tracker. Fourth quarter 2014 (4Q14) results were 1.7% ahead of forecast, but economic and product changes will create a head wind in the short term. Total 2015 volume is projected at 293.1 million PCs, slipping a little further to 291.4 million in 2019. In value terms, the PC market reached US$201 billion in 2014, a decline of -0.8%, and is expected to fall another -6.9% in 2015 with smaller declines in subsequent years bringing the total to US$175 billion by 2019. IDC: 2015 PC Shipments Forecast To Drop By 4.9pct [idc.com]