This is mine.
Upgrades:-
Turnigy Trackstar 60a ESC
13T 3000KV etronix brushless motor
5000maH Zippy LiPo
XT60 connectors
Hobbyking GT2 transmitter and receiver
All in all, when it goes it's a good car, but the brushless upgrade does seem to put a lot more strain on some components, mainly the spur gear and motor mount.
Plus, I've had the traditional troubles with the front left steering knuckle.