There's not much point for a development/test platform for the Pi in the first place given its ridiculously low cost. I think the appeal here is to add GPIO di

There's not much point for a development/test platform for the Pi in the first place given its ridiculously low cost. I think the appeal here is to add GPIO directly to a PC simply because having one computer is simpler than having two, and there are a lot of cases where you'd like to just toggle a pin here and there without having a middleman machine.