Going to echo what most have already said, the SC2's are coming off at the dealership and will get installed for track days and autocross. In my case it will be a weekend car and will never see weather other than sunny days.
The question then becomes what to install. SilverBullitt is correct...
Top of SoCal, or bottom of CenCal depending upon your preference. Hoping the PP2 wheels go well with the Lightening Blue. Oxford White was my second choice, yours is going to look awesome.
FYI - Just went through this, Costco pricing for a GT Premium regardless if it is in stock or ordered is either $100 or $300 below invoice. I say either because I was told $300 below over the phone and was given a quote that was $100 below. The only issue I see is that you have to go to a Ford...