This is the year
Of Windows on the Phone.
I haven't used Win10 yet but I read that the latest phone hardware with WinPho10 allows one to attach it to an HDMI TV/monitor and, along with connecting to a BT keyboard and mouse, presents a full Desktop scenario.
This sounds like the exact thing many Linux users/lovers desire from their phone (and N900 users practically had).
If it is fairly full featured affair, allowing proper document editing etc., it would mean even less reason to take a laptop and/or a tablet somewhere where you regularly work as long as they have the 'docking' required.