Ummm, first of all, takes the caps lock off.
To you have a 200SX SE-R or a Sentra SE?
What do YOU want out of the car? Where will you be driving it?
Power goals? Handling goals? Aesthetic goals?
You should take some pictures and post them up if you want to keep this thread alive, otherwise post something like this in the General section or a section specifically related to your vehicle.
Welcome to the forum, enjoy your stay!