Black Hole, Inc. - - Reseller of NeXT hardware and NeXTSTEP and OpenSTEP software, and Intel-based systems designed for OpenSTEP.
Heller's NeXT pages - - A useful collection of information for working with and around NeXT boxes. Includes many FAQs, schematics and some interesting power supply fixes.
NetBSD/next68k - - NetBSD port to NeXT hardware and project page. Works on all 68040 non-ADB models.