Problem solved -- I will just go buy another Z with the Sport Package!!
Truthfully when I first started looking at the Z I was thinking of the Sport Package mainly just to get the look of the OEM Spoiler and I thought the Rims were alot nicer than the Base model's. And then I saw the new Rim design on the 2013 Base model and I said "I really like the look of those". Also, this car is my daily driver, I am not going to the track and racing -- just having a more enjoyable daily commute. The Base model offers plenty of performance for my needs so the spoiler is only there because I like how it looks. I am just frustrated because it looks like I will have to wait at least a month