limited production numbers = collector vehicle..
I do not believe that GM brought the track pack Z/28 out to sell tons to the general public, they are for the true enthusiast and people who truly wish to tear up a track with them.
Most will be show-room and garage queens and in 30 years be remembered as one of the last true limited production muscle cars before CAFE stomped them out of existence with over the top MPG expectations.
"A world 100% full of Prius drivers is still 100% addicted to oil. " ~ E. Musk