It doesn't seem that long ago that I put together a Pi-Top and started tricking it out to use as a backup system.  It was problematic in some important ways (the keyboard's a bit wonky), but most of all the supported respin of Raspbian for use with the Pi-Top was really, really slow and a bit fragile.  While Windbringer was busy doing a full backup last week I took my Pi-Top for a spin while out and about, and to be blunt it was too bloody slow to use.  At first I figured that the microSD card I was using …