the two MOST IMPORTANT qualities that any robot, or any machine period, can have are: Reliability and Consistancy...and if you want to be consistant, you must be reliable. If you don't have these qualities you will be a sitting duck...literally.
If you watched 45's Galileo matches at Nats in then you can see that reliability is key...whenever our robot worked, we won...whenever it didn't, we lost...it's that simple. If your machine is not reliable it will be a very frustrating year, especially for your drive team! ;)

what makes a good robot is durability and the power it has and how good the drivers do. How the team cooperates effects the way the robot comes out. I would like to thank everyone for the opportunity to do this w/ a robot!:D

Sparky won 2 regionals and made it to the Arch eliminations and it had casters, but they where in the front.

What makes a good robot, you ask? Students, of course! Students always make the bestest robots!!! :]

I guess the three most important robot compontents, are:

good driver
Drivetrain
Reliable Chassis

But really what i think goes into a good robot is a certain degree of innovation and cerativity in design. Even if you do not win, but still have a very innovative and creative machine than you have built a good robot.