Spec-wise, you wouldn't need to upgrade it every year. It should last 5 years at the very least before you should even consider it.

Kind of off topic: How are there no mmos for wiiu? I can't imagine a system better suited for the 50 button style play of mmos, and there must be hundreds of decent ftp ones that could be ported with little effort

This looks like the polygons of Nascar 2 meet The pre rendered cutscenes of diablo 2. If this is one of those "64k size" demos, it's impressive on its code alone, but other than that, I'm missing what makes this impressive.

That answer depends (like many things) on who you ask.

Well if you're going to be literal about MOBA as a genre name, the same can be said of RTSs and RPGs. In fact, there are probably more games that can fall under those literal definitions than with MOBA.