As IT manager for my company
I can say that we'll probably be running much the same tech as we are running now, and have been for the last 10 years.
Our main office server box is 2006 vintage, and had a motherboard and CPU upgrade in 2010. The office machines date from 2004 - 2009, the art room roughly the same period, albeit they had motherboard/CPU upgrades in 2012, and only one new art/design machine (an AMD 8-core) was purchased last year.
On the mobile front, we're using Toshiba laptops and Samsung Slates with Windows 7 circa 2012ish, and Galaxy S4s with Android circa 2013. (And we have one Apple iPad I'm ashamed to say, but that's solely used for testing to make sure our websites and ebooks work on iThings. We do have an elaborate office cleansing ritual for those forced to use it! ;) )
All of it does everything we need it to reliably, and everything is a known quantity that everyone knows how to use effectively.
With the flattening of Moore's law over the last several years (CPU power and storage sizes have stopped increasing exponentially), unless some earth-shattering new technology like holodecks or transhuman consciousness-uploading tech appears in the next 5 years, I can't see us using anything vastly different to what we're using today. Probably there'll be a few more minor hardware upgrades but that's abut it.
If it ain't broke, why fix it?