• improved Visual Mobile Designer (with version 2 of the VMD you can: drag and drop components like wait screens, login screens, file browsers, SMS composer, and splash screens onto a canvas; the VMD also makes GUI localization easier)
  
• mobile Game Builder (with a visual editor you can now develop mobile games designed for the MIDP 2.0 Game API)
  
• modular build system (you can add new platform types, deployment types, configurations providers, and more)
  
• a solution for the Device Fragmentation Issues (multiple device configurations)
  
• access to Web Services (simplifies writing applications that use Web Services API for devices with JSR-172)
  
• improved SVG Support
  
• integrated tools for JMUnit testing, MIDlet signing, certificate management, automatic code obfuscation, integrated over-the-air (OTA) emulation, push registry emulation, WMA emulation for SMS and CBS messages, new deployment methods, and Wireless Messaging and Multimedia APIs.
  

Click here to download NetBeans Mobility v6.0 (now you have got everything in one package). I'll try to write a small review about interesting features in near feature.

Other Java ME important tool - Sun Java Wireless Toolkit - has been upgraded to version 2.5.2. New version features improved support for multiuser environments and better support for Linux distributions.
Click here to download WTK 2.5.2.