Well Firefox has a new theme layout called persona's. Here is the link to the king of all
http://www.getpersonas.com/en-US/persona/118606 Persona's!
I imagine this GPU would most likely take high end Fire Pro or Fire GL cards as I know people change them out. The easiest way to do so is find the one with the closest hardware, then install the driver for it, keep a default driver in a folder on your desk if it fails install it on the reboot.