[GUI]

The type of drive train you use isn't as important as how you incorporate it into your strategy. A four wheel drive can be just as effective as a crab drive, which can be just as effective as an omnid style drive, if used properly. Certain designs may have better potential, but I feel that it is more important that what you make works well and the robot is designed as a whole. If your drive system works well with your manipulator and your game strategy, then you can be very successful. If not, you could have the best drive train in the world, but it is useless if you don't have a game plan or a manipulator to take advantage of it.