Mac look on Ubuntu

If you need the sounds, you have to take a look at the compiz manager..

Use synaptics (system --> administration --> synaptic)
And search for compiz manager, install it, and find it at (system --> administration --> compiz manager(or something like that))

This will atleast get you in the right direction. There are many plugins and settings you can play around with to make your dekstop look all kinds of awsome. And also check the following links.

https://launchpad.net/awn/

http://code.google.com/p/avant-window-navigator/
http://maketecheasier.com/turn-your-...rd/2008/07/23/