The newest ones that are still in the works are the Fred Gibb/Berger Camaros.
Not sure of all the details on the car, but there is a nice rendering at GMMG's site. They are the ones that build the Berger Camaros, Blackbird Firebirds, Intimidator Camaros and the like.
http://www.gmmginc.net/index.html
Berger used to have their SS that you could order in a couple different trims.
Last time I was there, (Berger is here in Grand Rapids MI) they actually had a used Berger SS.
380 Horse, 6-speed, chambered exhaust. Oooh I wanted it.
Only 15,000 miles, but still too expensive for me.
Guess I'll just build my '68.