I heard about BumpTop a few months back when it was Windows-only. It’s makes your desktop 3D in an aesthetically-pleasing way. This week they launched the Mac version which I found out about via Mashable. It turns out that Mashable had 100 free ‘Pro’ upgrades to give away and I was lucky enough to be quick enough to apply to get one. This gives BumpTop extra functionality and features.
My thoughts can be found in the following quick overview:
(higher quality version at the Internet Archive – do they not do transcoding any more?) :-s