If you're making a portable you probably need something to watch it on. (Unless you want to guess what's happening in the game, but I wouldn't advise that) Anyway, this forum is your "Hacking a pocket TV/screen" one-stop solution. Share your experiences and knowledge here.
No, that's the refresh rate. The pixel response time is different. It measures how long it takes a pixel to change colors. It is typically measured in milliseconds.
Well, everyone seems to agree that its a good screen, so it must not be too slow. I guess the only way to know for sure would be for me to get one and play some Sonic Adventure 2 on it.