2013 surface changes?

[bowen192]

When importing from Inventor in to Publisher, our products looked like this:

http://img684.imageshack.us/img684/5241/20120516083639.png

and 

http://img809.imageshack.us/img809/27/20120516083552.png.

In 2013, they now look like this:

http://img4.imageshack.us/img4/871/20120516083538.png

and

 http://img254.imageshack.us/img254/1/20120516083709.png

I've tried messing with light patterns and all sorts, but everything has that strange sheen on the steel and welds, and a weird discolour on the other items.

Anyone else having these difficulties?