Not trying to sway you into the house again, but you wouldn't have to live in it. investment purposes. I live in canada and i've been checking out properties in cali and arizona. I'm 19.
but back to the car. The cobras imo looks the best, handles the best, and is the fastest stock, and fastest with cheap mods by a fair margin. So If you have the money, I'd go for the cobra. But where I live I could find a decent ls1 f-body for around $8k. So If in theory I could add $8k in mods to the f-body and have quite the beast as well.
