No the max a NTSC Gamecube can output is 640×480 using progressive scan. The screen would just scale up the image a little so it can fit the screen. You probably wouldn't notice a difference, but just look for a screen that has the same resolution. Ashen has a whole big ass thread on screens somewhere. READ CHILD!
Don't just ask questions that immediately come to your mind, do some research before you post a question, and you will most likely have found your answer! And if you don't, then go ahead and ask. I use to just ask questions, without doing a lot of research, and I have realized how annoying that can be to a lot of people. I am not trying to discourage you, I just want you to know what you are getting yourself into. You should understand why you should get this screen over this screen, or why you have to ground this connection, etc, etc.
Goodluck!
Spiicy