A 3645 and a Macivory Model-3 in a Macintosh fx.

Nubus cards Macivory Model-2 or Model-1

UX Board for Sun 430

Symbolics XL400 with modern screen (to the right) and keyboard

Symbolics XL1200

Symbolics 3600, Symbolics XL, Symbolics 3620 (Courtesy of Peter Paine):