iTunes 7 seduces you with features. … download album cover art for music you got somewhere other than iTunes, and it can play tracks without any audio gap between them. There’s a new interface that makes more sense, and it has nice new graphical features. And of course, there’s support for movie download and playback. On my home PC, I eagerly updated from the previous version and fired it up. And I wish I hadn’t. This application is the worst system hog I’ve ever seen. I simply can’t leave it running and expect to get anything else done. Maybe you’ll have better luck than I did. But don’t be surprised if you find …

full review on CNet

I try to wait before upgrading software until the main bugs are found by the consumers.

With iTunes in particular, be careful. Unless you are keen on Disney movie downloads (only available in the States) or cover art — stick with your older version.

If you do not have iTunes now, get version 7 for free. It is by far the best music, podcast and on-line video jukebox.