I actually quite like the Walker. Unlike todays PC cases which are basically elongated cubes (some very pretty elongated cubes, but cubes non the less), the Walker does something different.
OK maybe it is a bit too different for most people, but to be honest I would rather have an AmigaONE in one of those cases then a standard STX case. Why? Because the when people look at it they won't see a WindowsPC, they will go "WHAT THE HECK IS THAT THING?" (ok maybe not shouting ;-)).
I think it is also rather cute, have the smaller one sitting next to my monitor. I don't really need to have a PC with 3-4x5.25" bays and 3-4x3.5" bays. All I need is a Floppy (or Iomega zip drive), a hard disk and a CD-RW.
Still, I will now go and drink my cup of arsenic :-D