Ah, this topic is near and dear to me. Put me in the camp that believes Superman survives to this day for being just as dynamic as he is static. And part of that dynamic nature is that his visuals can and should gradually change with the times.
Also, this kind of thing is exactly what deviantart is made for.
Let's start small.
Man of Steel 2.0 by Le-Arc-7thHeaven
This is a pretty good mash-up of the MAN OF STEEL costume and the New52 design.
Moving on ...
Superman Redesigned by mistermoster
Really like the alien-esque symmetry going on here with the boots and the guantlets.
And then ...
These are the best redesigns I've seen yet!!! I like the cape to go just
Superman-redesign 4 by Lpsalsaman
Matching gloves and boots, like the cape top, but not the shortness of it.