VMware Workstation V6.0.0.36983 (Beta)
OS: Windows | Size: 167 Mb
Beta Version
Workstation 6.0 includes exciting new features, such as: 
Support for Windows Vista - Use Windows Vista as host operating system 
Multiple monitor display - You can configure a VM to span multiple monitors, or multiple VMs to each display on separate monitors 
Integrated Virtual Debugger - Workstation integrates with Visual Studio and Eclipse so you can deploy, run, and debug programs in a VM directly from your preferred IDE 
Automation APIs (VIX API 2.0) - You can write scripts and programs to automate VM testing 
Headless mode - You can run VMs in the background without the Workstation UI