Better CTA and added Mocl

Author: Paul Nathan

env~lisp-system.md

@@ -3,8 +3,8 @@
 %
 
 Common Lisp implementations usually are called "systems", and there
-are a number for the expert to choose from; this author will make
-recommendations for the novice.
+are a number for the expert to choose from; I recommend **[SBCL](http://sbcl.org)**
+for new users.  Read on for more detail.
 
 Open Source
 ---
@@ -28,11 +28,15 @@ general Common Lisp ecosystem.
 Commercial
 ---
 
-LispWorks and Allegro are the currently maintained commercial
-implementations (as well as IDEs). They provide free
-limited-functionality personal editions with an IDE. This author has
-had good experiences with LispWorks.
+LispWorks and Allegro Common Lisp are the currently maintained commercial
+implementations with IDEs. They provide free
+limited-functionality personal editions. This author has
+had good experiences with LispWorks Personal Edition; it has limitations
+on its use, however.
 
+Mobile developers may find [mocl](https://wukix.com/mocl) a very interesting
+product in this space; it is a recently (2013) released Common Lisp system designed
+for interoperation with the base systems.
 
 Tabulation  of systems
 ---
@@ -45,3 +49,4 @@ SBCL  Native High speed compiler
  ACL  Native Professional platform
 ABCL  JVM    Java interop
  ECL  C      C interop, has iOS port
+MOCL  Native Stores CL as a library for mobile devices - iOS & Android