Not exactly NeXT-related, and only a little bit Apple-related...
Any collector out there interested in a black Bandai Pippin @World (system licensed from Apple) unit? The white ones are rare (occasionally pops up at ePay from sellers at Japan), and the black ones even more. The white AtMark was released in Japan, and the black @World was subsequently released in the US.
http://picasaweb.google.com/simplepractices/FSBandaiPippinWorld#