Wheels are always a big thing.
I always wanted cooler wheels, but don't want to be judged by other drivers on the street biased, so stock Nissan/Infiniti wheels that look a perfect fit is important to me.
Here's a list of stock wheels that will fit the 4gen Altima.
From the observation, 3 gen SE-R wheels are look very similar to Motegi MR121.
http://www.v6performance.net/forums/nis ... ltima.html