The New Jersey DEP GIS site is up and running now; I'd tried to use it a few months ago but it was still not operational. Now it is. Anyhow, there are some pretty nice map layers available there, and everything is publically accessible, unlike the CRGIS site in Pennsylvania.
http://www.state.nj.us/dep/gis/newmapping.htm
http://www.state.nj.us/dep/gis/newmapping.htm