I have one non-working HP Pavillion with Windows XP.
One working Dell...something. With Windows 2000.
One working Dell Latitude with broken screen. Windows 7, very happy with it.
An iPad Air. The sturdiest computer I've ever owned. It really takes hits when I get frustrated with it.
My mobile I would consider a computer.
I want another laptop as a spare...just a cheap one I suppose. They all seem to stop working in the end. Might get a refurbished business laptop as they're a lot sturdier and seem to last longer.