Shows you how to connect the bluetooth to the nxt

This will give you a nice visual description on how a Sumo Bot should run.  

GIves a Description of How to build a possible sumo bot

some interesting design ideas 

This is an example code to give an idea to follow lines on the nxt.

How to create a simple program using Shift Registers

gives a tutorial on how to log data on lv 

shows how to create different types of  graphs on labview 8.6

This is using a newer version of labview but the explination is very helpful

Background on the NXT motor..this could help finding an accurate gear ratio.

An original idea of a dragster, also comes with instructions

Understanding the concept of the gear ratio is easy if you understand the concept of the circumference of a circle. Keep in mind that the circumference of a circle is equal to the diameter of the circle multiplied by Pi (Pi is equal to 3.14159...). Therefore, if you have a circle or a gear with a diameter of one inch, the circumference of that circle will be 3.14159 inches.

The Roomba Red is approximately 13 inches (33 cm) in diameter and 3.5 inches (9 cm) tall. An external examination reveals the following parts: