In a nutshell: It's too useful not to have, but if I went back in time, with what I know now, I'd still have a hard time justifying purchasing one!
Gengar Intel i5 4690K @ 4.6Ghz, 16GB DDR3, Samsung 256GB M.2, NVidia GTX 970
I would say that it's been useful. I don't use it nearly as much as I used to, with its home role (as a sofa browser / office viewer) being taken over by a smartphone these days. However, it's always the device I take with me if I'm staying somewhere else overnight, be it holiday or business. And I did use it in work for a few weeks after my work laptop died, and it performed its role perfectly.
So, personal usage patterns aside, I still find it capable of carrying out what I ask of it. There are some painful moments where it's doing too many things at once, and you just have to leave it, but I do have a fresh install of Windows 7 on it now, and it's much smoother than it was with Vista or even the Windows 7 upgrade (as you'd expect).
On the bonus side, I still get comments on its size.
Wigglytuff Microsoft Surface Book | Raichu Microsoft Lumia 950 XL | Bulbasaur Nvidia Shield Tablet | Arbok Microsoft Band 2