昇陽收購Virtualbox 後第一次的release. 改名叫作  Sun xVM VirtualBox 1.6

換了Logo 也正式支援Solaris & MacOS X HOST .

This version is a major update. The following major new features were added:

• Solaris and Mac OS X host support
• Seamless windowing for Linux and Solaris guests
• Guest Additions for Solaris
• A webservice API
• SATA hard disk (AHCI) controller
• Experimental Physical Address Extension (PAE) support

詳情請見 http://www.virtualbox.org/wiki/Changelog