Is that you leaning up against the car too???Hm...I did PPK, M Performance aerodynamic kit, Vossen CV3 wheels, Meistershaft Exhaust, carbon fiber interior trim, black grills, windows, some graphics. Sill to do H&R lowering springs ( waiting till winter will be over ) and maybe M Performance stearing wheel. First what I would in your place; go with aftermarket wheels, do black grill and rear spoiler. Then depends how much are willinig to spend?
Vossen rims are great. Definitely some of my favorites. I am a fan of concave wheels right now too. Rims and body kit will make the biggest cosmetic difference to your car. Only other thing I would recommend is tinting windows (legally of course).