I was reading this article on MacDevCenter about tweaking iTunes and they pointed to possibly one of the coolest music plug-ins for iTunes.

CoverFlow is completely amazing. The video on their home-page is exactly what it does, and it does it beautifully!

As their site says:

Don’t know about you, but I find browsing a list of album names somewhat uninspiring, to say the least. One of the big attractions of a physical album is the beautiful packaging and aesthetic appeal, something that’s sorely missed with the digital equivalent.

CoverFlow aims to bring that aesthetic appeal to your mp3 collection. It allows you to browse your albums complete with beautiful artwork pulled from any sources it can find, whether that’s buried in your song tags, collected via Synergy, or looked up on Amazon.

CoverFlow is far better seen than described, so you might like to take a look at it in motion:

And just so you don’t get too excited about it before it’s time: Mac OS-X 10.4 or higher only.