I've published the talk slides introducing Groovy at Vancouver's 1st Groovy/Grails User Group event. Topics include:

• Why Groovy? What's wrong with Ruby (JRuby), Python (Jython), or Smalltalk (Bistro)?
• Application vs. Systems (Hard-Core) Programming / Groovy vs. Java
• Groovy is Java
• Groovy is Java Continued: Annotations
• Groovy is Java Continued: Enums, Static Imports, Generics
• Groovy Joint Compiler
• Groovy Goodies Missing In Java (Java is Not Groovy;-)
• Groovy Loops: Higher-Level Loops Using Closures (Code Blocks)
• What is a Closure (Code Block/Anonymous Function)?
• Closures In Action: Groovy Collections vs. Plain Old Java Collections
• Groovy JDK – Groovy Adds New Methods To Core Java Classes
• Groovy Template Strings: Expressions In Strings
• Groovy Markup (XML) Syntax
• Scripting Ant Using Groovy Markup (Gant)
• Groovy Heroes – G2One Inc. – The Groovy/Grails Startup
• Groovy/Grails in Print – Books
• Groovy/Grails Articles & Blogs
• Getting Started – Installing Groovy – 1-2-3 Steps
• And more... [1]

Questions and comments welcome.