I installed the bright white LED replacement bulbs this weekend. They were a breeze to install and look great:
All in all a great improvement at a great price !
On Teslatap I found a nice tutorial on how to replace the original license plate lights with bright LED bulbs. I found them at "Tesla & More". They arrived within a couple of days and look like this:
As with the stickers, since I don't have the actual car yet to install these LED bulbs on, I'll deliver my final review once I've been able to install them.