ul>
			<li><b>Durango <i>PROTO</i>:</b> the original <i>CPU tester</i> with some basic I/O (1 MHz)</li>
			<li><b>Durango·SV:</b> 16-colour video output module for SVGA monitor <span style="color:red">(abandoned)</span></li>
			<li><b>Durango·S:</b> 128x128, <b>16-colour</b> home computer</li>
			<li><b>Durango·R:</b> as above but with <i>256x256 monochrome</i> display</li>
			<li><b>Durango·X:</b> <i>full model</i>, with both the ·S and ·R models video output <i>(software switchable)</i></li>
		</ul>