If you see that car, I guess there is a pretty good chance Pharrell will be the one driving it! Other distinguishing features include:
A friend of mine at Nokia (a product manager) told me that customizing any cellphone is such a way is highly like to screw up the performance. Apparently, all of the original materials are selected and combined to all work together. Changing one component throws off the whole recipe. Looks good and gets you some blog coverage though.