Remember the OpenOffice.org prototype ? Now you can try the Renaissance Impress (thanks to Gnu/Linux Atelier for the link) without any installation (but you do). Remember that this is just a prototype, only to be used to see how it looks.

That being said, you can download the Impress prototype from HERE . After running Impress, you will notice a window where you can change between different variants of scrolling toolbars or fixed label toolbar (see image above).I played a bit with it and I must say that yeah, it does copy MS Office ribbon, but it's definitely an improvement over the old OpenOffice interface (I know a lot of you are fond of the old looks and probably don't want change, but change is not always bad...). For instance, I really liked the 3D slide show: