Get it aligned, and run what ya got.
Once you get a few events under your belt, and a really good feel for the car,
then you can decide whether you want to "mod" the suspension any further or not.
Biggest thing to start off with is tire pressures.
I ran GS all year, and this is what I found that works for me.
These are "cold temps", before a run.
Short course, like a parking lot, with a lot of tight turns:
Long course, like at an airport with higher speeds:
Just have fun, and don't push it too hard.
If you're getting tire squeeling like mad, and pushing in the turns.....SLOW DOWN!