GMDesk requires Adobe Air and is still in beta version. I find it to be excellent! Think about not having to bother about a browser at all and to get access to Google's easy-to-use applications in desktop format. Just look how easy you can switch between applications:
It is a perfect application to install on your regular computer. You will have access to the apps via any web browser if you are using another computer.
The desktop is dead, long live the desktop!