A mix of the boring and slightly odd. My everyday computer is an older ThinkPad E530 with a Core i5-2520m, integrated graphics and 8 GB RAM. Then there is the HP DL380 G6 server with dual Nehalem cpus, running VMware for my son's Minecraft server and my VMware lab.
I have the Ubuntu shell on my Windows 10 and it is cool but slightly limited since it is only a shell and I like to have X even if it's just to have multiple terminals. If I am working in Linux I prefer my Xubuntu ( Ubuntu with the XFCE desktop) VM and often use VNC for access. I also like...
The laptop size (2.5") drives with the rubber covers are pretty tough. Just make sure the drive stops spinning before you pick it up and unplug the cables to protect the connectors. I've had about a dozen external drives of various types and none have failed.
Also consider cloud backup as a...