Version bump, assorted CPU documentation tweaks, and more machine redirects

devices/pc/machine/README.md

@@ -4,6 +4,8 @@ title: Machine Configurations
 menu_title: Machines
 menu_order: 5
 permalink: /devices/pc/machine/
+redirect_from:
+  - /configs/pc/machines/
 ---
 
 IBM PC Machine Configurations
@@ -59,6 +61,8 @@ From there, you can load another disk image
 
 ### Model 5150 Machine Configurations
 
+Our pre-built [Model 5150](/devices/pc/machine/5150/) machines include:
+
 * [IBM PC, MDA, 64K](/devices/pc/machine/5150/mda/64kb/)
 * [IBM PC, MDA, 64K, Debugger](/devices/pc/machine/5150/mda/64kb/debugger/)
 * [IBM PC, CGA, 64K, DONKEY.BAS](/devices/pc/machine/5150/cga/64kb/donkey/)