So after a break of a few years, there are a couple new releases from Johnny Lightning in late Summer 2012,. These are a little different in that they are plastic, but they still have the opening hood, although with a little less detail under the hood.
The first is a Grey Metallic 1970 SS, the series is called Forever 64 release 23:
and a light yellow 1970 with a white vinyl top in release 24:
And now (Dec 2012) there is a green 1970 with a black top... in release 26 of Forever64.
There are white lightning versions of these as well with a white bottom and white tires. Here are a couple:
