1. Yes, but it involves changing out the OEM rings to a brighter one, most likely a 6000k one.
2. There isn't too much you can do about it. You can smother your wheels in polish and wax every so often which will make it easier to hose of the dust, but unless you wanna pretty much eliminate the dust, you are going to need to change out the OEM pads for some dustless ones. And yes, it is just how the OEM pads are...