Most of desktop Pc users, who use windows operating system, have been using the same type of desktop layout since the advent of GUI(graphical user interface).Since Microsoft Windows was a prominent leader in devoloping operating systems, the desktop they designed became a bechmark which other oprating systems followed/imitated when they intoduced GUI in their operating systems.
This type of plain/grid aligned view of icons were devoloped to ensure the ease or user interaction with the help of mouse.But now we have more human interface devices like graphic tablets,touch screen,etc.So the standard style of desktops is no longer attractive.
The machintosh users have access to a rather pepped up desktop interface, but again it is not much..
This is where innovative/creative programmers and designers came to gether to make intutive and fun desktop versions.
Linux operating systems have recently been using a desktop enhancement called 'Compiz' and 'Metisse' these change the way the desktop and windows on screen behaves to our actions through mouse.Here is a link that will enable you to see some features of Compiz.
http://www.youtube.com/watch?v=E4Fbk52Mk1w
Yet another desktop enhancement(for microsoft windowsusers)that is highly intutive and innovative for use with mouse or in touch screen PCs,is 'Bump Top',
developed by , ,it is a fun, intuitive, 3D desktop that helps keep you organized and makes you more productive. It combines the look and feel of a real 'Desk' with the power of your PC. You can pile your files, flip through websites and toss your photos up to Twitter or Facebook quickly and easily, right from your desktop. Advanced search and sort capabilities make sure you can find your files when you need them. Personalize your desktop with custom themes, sticky notes and photo slideshows and turn your desktop into a useful, fun space.Here is a link that will get you to experiencing bumptop:
http://bumptop.com/
ENJOY THE CHANGE!!!