I think Android's only shot at decent hardware and software is what Google might do with their Motorola Mobility purchase. That combo might actually be able to invent something new and finally create an innovation. Instead of just copy (steal from) Apple. I won't hold my breathe. But if its possible, it will probably come from them.
From MacRumors, First Reviews of Samsung Galaxy S4: Great Screen, Gimmick Features, Bad Plastic Design
"The overall consensus is that the Galaxy S4 is a solid upgrade over the previous S3 but that its plastic casing and minimal upgrades keep it from being great."