Will take some other pics of the rest when I get a chance.
To start off,
A Sega SG-1000 II and Sega Mark III


There's a Japanese Master System to the top right of the pic.
I got that mainly because of that FM sound chip.


Genesis/Mega Drive/X'Eye/CDX/Nomad,

Clone Genesis/Mega Drive systems,
The three in the bottom row are full motherboard 1:1 reproductions.
They are fully compatible with the Sega/Mega CD.



Sega CD



32X


Game Gear

A couple of Pioneer Laseractive units,
as well two Sega PAC's and matching Laseractive branded controllers,


























