The stock engine is very powerful but all of the stock driveshafts hold up to its power very well, so with the stock engine, you will be fine. I would just pick up extras from Towerhobbies just in case. If you were going to go a .21-.28 route with your truck, a beefier drivetrain might be necessary depending on how you drive. As for the stock wheels, They aren't too ugly, the stock tires are a wee bit small though. Here is my truck with Pro-line Masher 40 series tires and 40 series velocity wheels...
I can dig up more pictures if you want them.