README updates

modules/c1pjs/README.md

@@ -11,7 +11,7 @@ Overview
 ---
 C1Pjs is our 6502-based machine emulation module for the [Ohio Scientific Challenger 1P](/docs/c1pjs/).
 
-C1Pjs is currently comprised of the following non-shared components, as listed in [package.json](../../package.json)
+C1Pjs is comprised of the following non-shared components, as listed in [package.json](../../package.json)
 (see the *c1pJSFiles* property):
 
 * [defines.js](lib/defines.js)

modules/pc8080/README.md

@@ -11,10 +11,10 @@ Overview
 ---
 PC8080 is our 8080-based machine emulation module.  The code is derived from [PCx86](/modules/pcx86/).
 
-It is still a work-in-progress.  See the list of available [PC8080 Machines](/devices/pc8080/machine/), including
+See the list of available [PC8080 Machines](/devices/pc8080/machine/), which includes
 [Space Invaders (1978)](/devices/pc8080/machine/invaders/).
 
-PC8080 is currently comprised of the following non-shared components, as listed in [package.json](../../package.json)
+PC8080 is comprised of the following non-shared components, as listed in [package.json](../../package.json)
 (see the *pc8080Files* property):
 
 * [defines.js](/modules/pc8080/lib/defines.js)

modules/pcx86/README.md

@@ -11,7 +11,7 @@ IBM PC Emulation Module (PCx86)
 
 Overview
 ---
-PCx86, the PCjs IBM PC emulation module, is the engine powering all our [IBM PC Machines](/devices/pcx86/machine/).
+PCx86 is the IBM PC emulation module powering all our [IBM PC Machines](/devices/pcx86/machine/).
 
 This module divides PC functionality into variety of logical and visual components.
 In general, each JavaScript file is responsible for a single component or set of related components (eg,