Tutu10.04 UI revolution

Over the past few days, the news about Ubuntu10.04's updated themes and logos have been overwhelming. If you do not know, visit the official Wiki to see the new LOGO and topic. However, I have some incomprehension about the new theme. Because these two days are Ubuntu's UIFreeze

Over the past few days, news about topics and logos updated on Ubuntu 10.04 have been overwhelming. If you do not know, visit the official Wiki to see the new LOGO and theme: https://wiki.ubuntu.com/Brand

In general, I think this new LOGO is quite good, although it is a bit of a discussion of the original LOGO, enhancing the text "Ubuntu" effect.

However, I have some incomprehension about the new theme.

These two days are the Ubuntu UI Freeze, so there is basically no accident, the final Ubuntu 10.04 is like this:

From a clean Guest account

As you can see, the wallpaper is pretty. Style (at least from the purple color) Is it similar to the default background image of Mac OS X?