I don't know how old you are but I am assuming your 16-17. Remember if you get the big motor you get the big payments. Higher Payments/Cost of the car, More Gas (Premium), and Insurance. Paying 200+ a month on insurance and $40-60 a week can add up. And thats just basics, with the power Z/SS make it tends to tear more **** up from what I have seen anyways.

Here are a few I found are the price of that Z/28, if its for your first car I would recommend...
http://www.autotrader.com/fyc/vdp.js...el=&cardist=17

http://www.autotrader.com/fyc/vdp.js...ce=&cardist=15

http://www.autotrader.com/fyc/vdp.js...ce=&cardist=16

v8
http://www.autotrader.com/fyc/vdp.js...ce=&cardist=11