Funny, I was of the understanding that the GD chassis was a bit better handling than the GR, stock vs. stock; Especially prior to the GR suspension rework.
Given your past history with cars and your garage setup, I am of serious doubt that you'll just leave this one alone.
Congrats on the new car! Now start up a members journal and get some pics and a list of things you aren't going to do to the car.