does any1 know where and whats the best sound dampen material. i want to dampen my entire chevelle.

does any1 know where and whats the best sound dampen material. i want to dampen my entire chevelle.
I have attached a 'sound off" comparison. I went with B-Quiet, got the product and it looks great. I will be installing next week.
http://www.sounddeadenershowdown.com/prices/
http://www.b-quiet.com/extreme.html

Anybody have any Tips or Tricks for cutting this stuff to fit? I am getting ready to do mine, and I was thinking of using paper to fit it first, and make templates.

try fatmat...it is around $90 for 100 sf on e bay