Over a short period of time, three major operating system releases will take place. For all of you, I'm going to highlight the main features of Ubuntu 9.10, Mac OS X Snow Leopard, and Windows 7.

Mac OS X v10.6 (Snow Leopard)

* UI (User Interface) Enhancements:
- Stacks will allow viewing a subfolder without launching Finder. Stacks have also been modified to include scroll-bars for folders with many files;
- Contextual menus which come out of Dock icons now

* Additional Features:
- New version of Quicktime;

Windows 7

* UI (User Interface) Enhancements:
- A redesigned Windows Shell with a new taskbar;
- A new control panel interface;
- Windows Explorer now includes a desktop slideshow

Ubuntu 9.10 (Karmic Koala)

* UI (User Interface) Enhancements:
- Overall theme refresh;
- Using the most up-to-date GNOME version;
- A redesigned login manager;

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