NJDARM has a very interesting collection in their archives http://www.njarchives.org/links/archives.html . The ones I found most interesting.
- Searchable Databases: which include Supreme Court Case Files 1704-1844, Marriage Records 1666-1799 & Index to Marriages 1848-1867. More being added soon.
- Imaged Collections: Portraits of Soldiers, Historic Structures, Sites and Parks, New Jersey Institutions, Transportation and Public Works, Military Monuments & Military Service Records.
- Todate Document Treasures only has the New Jersey State Constitution online.